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SSC CGL Tier 1 Full Mock Test: Practice Test 11

Question paper with answer key. Selection Pro

Q1. Which Emperor convenes the Fourth Buddhist Council at Kundalvana in Kashmir?
  1. Kanishka
  2. Ashoka
  3. Ajatashatru
  4. Kalashoka

Answer: (A) Kanishka

The Fourth Buddhist Council was convened during the reign of Kushan king Kanishka in Kashmir.

Q2. What is the capital of Australia?
  1. Canberra
  2. Sydney
  3. Melbourne
  4. Perth

Answer: (A) Canberra

Canberra is the official capital city of Australia.

Q3. Which element has the atomic number 1 in the Periodic Table?
  1. Hydrogen
  2. Helium
  3. Lithium
  4. Carbon

Answer: (A) Hydrogen

Hydrogen is the lightest chemical element and has atomic number 1.

Q4. Under which Constitutional Amendment was the voting age reduced from 21 to 18 years in India?
  1. 61st Amendment
  2. 42nd Amendment
  3. 44th Amendment
  4. 73rd Amendment

Answer: (A) 61st Amendment

The 61st Constitutional Amendment Act, 1988 reduced the voting age from 21 to 18 years.

Q5. Who was awarded the Nobel Prize in Physics for the explanation of the photoelectric effect?
  1. Albert Einstein
  2. Isaac Newton
  3. Niels Bohr
  4. Max Planck

Answer: (A) Albert Einstein

Albert Einstein won the 1921 Nobel Prize in Physics for his discovery of the law of the photoelectric effect.

Q6. The famous folk dance form 'Bhangra' is associated with which Indian state?
  1. Punjab
  2. Haryana
  3. Rajasthan
  4. Gujarat

Answer: (A) Punjab

Bhangra originates from the Punjab region.

Q7. Which organ in the human body produces bile juice?
  1. Liver
  2. Gallbladder
  3. Pancreas
  4. Stomach

Answer: (A) Liver

Bile juice is secreted by the liver and stored in the gallbladder.

Q8. Who was the founder of the Arya Samaj in 1875?
  1. Swami Dayananda Saraswati
  2. Raja Ram Mohan Roy
  3. Swami Vivekananda
  4. Keshab Chandra Sen

Answer: (A) Swami Dayananda Saraswati

Swami Dayananda Saraswati established the Arya Samaj in Bombay in 1875.

Q9. Which river is often referred to as the 'Dakshin Ganga'?
  1. Godavari
  2. Krishna
  3. Kaveri
  4. Narmada

Answer: (A) Godavari

The Godavari River is known as 'Dakshin Ganga' due to its large basin size and length.

Q10. Who presides over a joint sitting of both Houses of Parliament in India?
  1. Speaker of the Lok Sabha
  2. President of India
  3. Vice-President of India
  4. Prime Minister of India

Answer: (A) Speaker of the Lok Sabha

The Speaker of the Lok Sabha presides over a joint sitting of Parliament (Article 118).

Q11. What is the functional unit of the human kidney?
  1. Nephron
  2. Neuron
  3. Alveoli
  4. Axon

Answer: (A) Nephron

Nephrons are the microscopic structural and functional units of the kidneys.

Q12. Who among the following wrote the historical play 'Mudrarakshasa'?
  1. Vishakhadatta
  2. Kalidasa
  3. Banabhatta
  4. Bhasa

Answer: (A) Vishakhadatta

'Mudrarakshasa' is a Sanskrit play written by Vishakhadatta.

Q13. Which gas is responsible for the green colour of plant leaves?
  1. Chlorophyll (Pigment)
  2. Nitrogen
  3. Oxygen
  4. Carbon dioxide

Answer: (A) Chlorophyll (Pigment)

Chlorophyll pigment absorbs blue/red light and reflects green light, giving plants their color.

Q14. What is the SI unit of Electric Current?
  1. Ampere
  2. Volt
  3. Ohm
  4. Coulomb

Answer: (A) Ampere

The Ampere (A) is the SI base unit of electric current.

Q15. Who was the Governor-General of India during the Revolt of 1857?
  1. Lord Canning
  2. Lord Dalhousie
  3. Lord Curzon
  4. Lord Bentinck

Answer: (A) Lord Canning

Lord Canning served as Governor-General during the Indian Rebellion of 1857.

Q16. Which layer of the atmosphere contains the Ozone Layer?
  1. Stratosphere
  2. Troposphere
  3. Mesosphere
  4. Thermosphere

Answer: (A) Stratosphere

The Ozone Layer is located in the Stratosphere, approximately 15-35 km above Earth.

Q17. Which Five Year Plan in India focused on 'Garibi Hatao' (Poverty Eradication)?
  1. Fifth Five Year Plan
  2. First Five Year Plan
  3. Third Five Year Plan
  4. Seventh Five Year Plan

Answer: (A) Fifth Five Year Plan

'Garibi Hatao' was a key slogan during the Fifth Five Year Plan (1974–1978).

Q18. Which acid is present in vinegar?
  1. Acetic acid
  2. Citric acid
  3. Oxalic acid
  4. Lactic acid

Answer: (A) Acetic acid

Vinegar typically contains 5-8% Acetic acid (CH3COOH).

Q19. Where are the headquarters of the International Court of Justice (ICJ) located?
  1. The Hague
  2. Geneva
  3. Vienna
  4. New York

Answer: (A) The Hague

The ICJ is seated at the Peace Palace in The Hague, Netherlands.

Q20. In which state is the famous 'Sanchi Stupa' situated?
  1. Madhya Pradesh
  2. Uttar Pradesh
  3. Bihar
  4. Rajasthan

Answer: (A) Madhya Pradesh

Sanchi Stupa is a Buddhist complex located in Raisen District, Madhya Pradesh.

Q21. Which Indian state shares the longest land border with Bangladesh?
  1. West Bengal
  2. Assam
  3. Meghalaya
  4. Tripura

Answer: (A) West Bengal

West Bengal shares a 2217 km long border with Bangladesh, the longest among all states.

Q22. Who was the author of 'Discovery of India'?
  1. Jawaharlal Nehru
  2. Mahatma Gandhi
  3. Subhash Chandra Bose
  4. Rabindranath Tagore

Answer: (A) Jawaharlal Nehru

Jawaharlal Nehru wrote 'The Discovery of India' during his imprisonment at Ahmednagar fort.

Q23. What is the chemical formula of Baking Soda?
  1. NaHCO3
  2. Na2CO3
  3. NaOH
  4. CaCl2

Answer: (A) NaHCO3

Baking soda is Sodium Bicarbonate, with formula NaHCO3.

Q24. Who was the first female Speaker of the Lok Sabha?
  1. Meira Kumar
  2. Sumitra Mahajan
  3. Pratibha Patil
  4. Sarojini Naidu

Answer: (A) Meira Kumar

Meira Kumar served as the 15th Speaker of Lok Sabha from 2009 to 2014.

Q25. Which instrument is used to measure the intensity of earthquakes?
  1. Seismograph
  2. Barometer
  3. Chronometer
  4. Galvanometer

Answer: (A) Seismograph

A Seismograph detects and records seismic waves generated by earthquakes.

Q26. Find the missing number in the series: 3, 7, 16, 35, 74, ?
  1. 153
  2. 148
  3. 150
  4. 155

Answer: (A) 153

Pattern: x * 2 + 1, x * 2 + 2, x * 2 + 3... (3*2+1=7, 7*2+2=16, 16*2+3=35, 35*2+4=74, 74*2+5=153).

Q27. If TRAIN is coded as WUDLQ, how is BUS coded in that pattern?
  1. EXV
  2. EYV
  3. FXV
  4. EWV

Answer: (A) EXV

Each letter moves +3 positions forward: B->E, U->X, S->V.

Q28. Select the odd pair out:
  1. 11 - 121
  2. 13 - 169
  3. 15 - 225
  4. 14 - 198

Answer: (A) 11 - 121

14² is 196, whereas option lists 198. All other options are exact square pairs.

Q29. A person walks 5 km East, turns North and walks 12 km. How far is he from the starting point?
  1. 13 km
  2. 17 km
  3. 15 km
  4. 7 km

Answer: (A) 13 km

Shortest Distance = √(5² + 12²) = √(25 + 144) = √169 = 13 km.

Q30. Statements: All apples are fruits. All fruits are healthy. Conclusions: I. All apples are healthy. II. Some healthy items are fruits.
  1. Both I and II follow
  2. Only I follows
  3. Only II follows
  4. Neither follows

Answer: (A) Both I and II follow

Apples ⊂ Fruits ⊂ Healthy. Thus both conclusions logically follow.

Q31. If 'A + B' means A is the brother of B, 'A - B' means A is the sister of B, and 'A * B' means A is the father of B, what does P * Q - R mean?
  1. P is the father of R
  2. P is the uncle of R
  3. P is the brother of R
  4. P is the grandfather of R

Answer: (A) P is the father of R

P is father of Q, and Q is sister of R. Therefore, P is the father of R.

Q32. Find the next pair in the series: AZ, CX, EV, GT, ?
  1. IR
  2. HS
  3. JQ
  4. KP

Answer: (A) IR

First letter: A, C, E, G, I (+2). Second letter is opposite pair: I-R.

Q33. If 15th August 2023 was Tuesday, what day was 15th August 2024?
  1. Thursday
  2. Wednesday
  3. Friday
  4. Monday

Answer: (A) Thursday

2024 is a leap year (+2 odd days). Tuesday + 2 days = Thursday.

Q34. Which term fits the analogy: Book : Author :: Statue : ?
  1. Sculptor
  2. Painter
  3. Architect
  4. Mason

Answer: (A) Sculptor

An author creates a book; a sculptor creates a statue.

Q35. If '+' means '-', '-' means '×', '×' means '÷', and '÷' means '+', evaluate: 15 ÷ 5 - 2 × 4 + 6
  1. 11.5
  2. 12.5
  3. 10.5
  4. 14.5

Answer: (A) 11.5

Replace symbols: 15 + 5 × 2 ÷ 4 - 6 = 15 + (10/4) - 6 = 15 + 2.5 - 6 = 11.5.

Q36. In a class of 50 students, Priya ranks 18th from the top. What is her position from the bottom?
  1. 33rd
  2. 32nd
  3. 34th
  4. 31st

Answer: (A) 33rd

Rank from bottom = 50 - 18 + 1 = 33rd.

Q37. Two positions of a dice are shown with numbers 1 to 6. If 3 is at the bottom, which number is on top? (Pos 1: 3,1,2; Pos 2: 3,5,6)
  1. 4
  2. 2
  3. 5
  4. 6

Answer: (A) 4

Number 3 is adjacent to 1, 2, 5, 6. The only remaining opposite number is 4.

Q38. Complete the series: 2, 6, 12, 20, 30, ?
  1. 42
  2. 40
  3. 36
  4. 48

Answer: (A) 42

Pattern: n(n+1) -> 1*2, 2*3, 3*4, 4*5, 5*6, 6*7 = 42.

Q39. Which diagram correctly represents: Languages, Hindi, English?
  1. One big circle containing two non-overlapping circles
  2. Three overlapping circles
  3. Three totally separate circles
  4. Two nested circles and one outside

Answer: (A) One big circle containing two non-overlapping circles

Hindi and English are distinct languages enclosed within the broader 'Languages' set.

Q40. Arranging the words dictionary-wise: 1. Apple 2. Application 3. Apply 4. Apartment
  1. 4, 1, 2, 3
  2. 1, 4, 2, 3
  3. 4, 2, 1, 3
  4. 1, 2, 3, 4

Answer: (A) 4, 1, 2, 3

Alphabetical order: Apartment (4) -> Apple (1) -> Application (2) -> Apply (3).

Q41. If MOBILITY is written as 46293927, how is EXAMINATION coded?
  1. 56149512965
  2. 56149512956
  3. 65149512965
  4. 56149512966

Answer: (A) 56149512965

Each letter converted to single digit sum of positional values: E(5), X(24->6), A(1), M(13->4), I(9), N(14->5), A(1), T(20->2), I(9), O(15->6), N(14->5).

Q42. Find the odd word from the options:
  1. Square
  2. Circle
  3. Triangle
  4. Rectangle

Answer: (A) Square

Circle is bounded by a curved line, while Square, Triangle, and Rectangle are straight-edged polygons.

Q43. At what angle are the hands of a clock inclined at 4:20?
  1. 10°
  2. 20°
  3. 0°
  4. 15°

Answer: (A) 10°

Angle = |30*4 - (11/2)*20| = |120 - 110| = 10°.

Q44. Statements: Some books are pens. No pen is a pencil. Conclusion: Some pens are books.
  1. Follows
  2. Does not follow
  3. Either follows or not
  4. Neither follows

Answer: (A) Follows

'Some books are pens' directly converts to 'Some pens are books'.

Q45. Find the missing term: 5, 10, 20, 40, ?
  1. 80
  2. 60
  3. 70
  4. 100

Answer: (A) 80

Each number doubles: 5*2=10, 10*2=20, 20*2=40, 40*2=80.

Q46. A is B's sister. C is B's mother. D is C's father. How is A related to D?
  1. Granddaughter
  2. Daughter
  3. Grandmother
  4. Aunt

Answer: (A) Granddaughter

A is C's daughter, and D is C's father. Thus, A is D's granddaughter.

Q47. Select the option that shares the same relationship as: Eye : Myopia
  1. Teeth : Pyorrhea
  2. Bone : Brain
  3. Skin : Asthma
  4. Liver : Cataract

Answer: (A) Teeth : Pyorrhea

Myopia affects eyes; Pyorrhea affects gums/teeth.

Q48. If RED is coded as 27 (18+5+4), how is GREEN coded?
  1. 49
  2. 52
  3. 44
  4. 50

Answer: (A) 49

G(7) + R(18) + E(5) + E(5) + N(14) = 49.

Q49. Which letter replaces question mark: C, F, I, L, ?
  1. O
  2. M
  3. N
  4. P

Answer: (A) O

Letters increase by +3 steps: C(3), F(6), I(9), L(12), O(15).

Q50. Facing South, Rahul turns 180° counter-clockwise and then 90° clockwise. Which direction is he facing?
  1. East
  2. West
  3. North
  4. South

Answer: (A) East

South + 180° = North. North + 90° CW = East.

Q51. Select the synonym of: **CANDID**
  1. Frank
  2. Secretive
  3. Deceptive
  4. Dishonest

Answer: (A) Frank

'Candid' means truthful and straightforward; 'Frank' is a synonym.

Q52. Select the antonym of: **DILIGENT**
  1. Lazy
  2. Hardworking
  3. Assiduous
  4. Careful

Answer: (A) Lazy

'Diligent' means industrious; 'Lazy' is the opposite.

Q53. Select the correctly spelt word:
  1. Accommodation
  2. Acommodation
  3. Accomodation
  4. Acomodation

Answer: (A) Accommodation

'Accommodation' takes double 'c' and double 'm'.

Q54. Find error part: *Neither he nor his friends was present at the party.*
  1. was present
  2. Neither he
  3. nor his friends
  4. at the party

Answer: (A) was present

Verb agrees with closest subject ('friends'). Correct: 'were present'.

Q55. Fill in the blank: *She prefers tea ___ coffee.*
  1. to
  2. than
  3. from
  4. over

Answer: (A) to

'Prefer' takes the preposition 'to' when making comparisons.

Q56. Change to Passive Voice: *They are playing football.*
  1. Football is being played by them.
  2. Football was played by them.
  3. Football has been played by them.
  4. Football is played by them.

Answer: (A) Football is being played by them.

Present continuous passive form is 'is/am/are + being + V3'.

Q57. Change to Indirect Speech: *He said to me, 'Where are you going?'*
  1. He asked me where I was going.
  2. He asked me where was I going.
  3. He told me where I am going.
  4. He asked me where am I going.

Answer: (A) He asked me where I was going.

Interrogative sentences turn to assertive order in indirect speech.

Q58. One word substitution: *A person who eats no animal flesh*
  1. Vegetarian
  2. Carnivore
  3. Cannibal
  4. Herbivore

Answer: (A) Vegetarian

A person who does not eat meat is a Vegetarian.

Q59. Idiom meaning: **Spill the beans**
  1. Reveal a secret
  2. Drop food
  3. Cook vegetables
  4. Make a mistake

Answer: (A) Reveal a secret

'Spill the beans' means to disclose information prematurely or secretively.

Q60. Select the correctly spelt word:
  1. Guarantee
  2. Garantee
  3. Guaranty
  4. Garanty

Answer: (A) Guarantee

'Guarantee' is the correct standard spelling.

Q61. Select the synonym of: **AMBIGUOUS**
  1. Unclear
  2. Definite
  3. Lucid
  4. Transparent

Answer: (A) Unclear

'Ambiguous' means open to more than one interpretation; unclear.

Q62. Select the antonym of: **TRANSIENT**
  1. Permanent
  2. Temporary
  3. Fleeting
  4. Brief

Answer: (A) Permanent

'Transient' means lasting for a short time; 'Permanent' is antonymous.

Q63. Sentence Improvement: *If I was you, I would accept the job.*
  1. If I were you
  2. If I am you
  3. If I had been you
  4. No improvement

Answer: (A) If I were you

Hypothetical conditional clauses use subjunctive 'were' for all pronouns.

Q64. Fill in the blank: *The sun rises ___ the east.*
  1. in
  2. on
  3. at
  4. from

Answer: (A) in

Directional locations take preposition 'in'.

Q65. One word substitution: *Life story of a person written by himself*
  1. Autobiography
  2. Biography
  3. Memoir
  4. History

Answer: (A) Autobiography

An account written by the subject person is an Autobiography.

Q66. Idiom meaning: **At the eleventh hour**
  1. At the last moment
  2. At 11 o'clock
  3. Very early
  4. On time

Answer: (A) At the last moment

'At the eleventh hour' means happening at the latest possible time.

Q67. Find error part: *The sceneries of Kashmir are very enchanting.*
  1. The sceneries
  2. of Kashmir
  3. are very
  4. enchanting

Answer: (A) The sceneries

'Scenery' is an uncountable noun with no plural 'sceneries'. Correct: 'The scenery of Kashmir is...'

Q68. Fill in the article: *He is ___ honest man.*
  1. an
  2. a
  3. the
  4. no article

Answer: (A) an

'Honest' begins with a silent 'h' vowel sound (/ɒnɪst/), using 'an'.

Q69. Rearrange sequence: P: is vital for Q: physical exercise R: good health S: daily
  1. Q-S-P-R
  2. P-Q-R-S
  3. R-S-P-Q
  4. Q-P-S-R

Answer: (A) Q-S-P-R

Correct sentence: Q ('physical exercise') S ('daily') P ('is vital for') R ('good health').

Q70. Select the synonym of: **OBLITERATE**
  1. Destroy
  2. Create
  3. Construct
  4. Build

Answer: (A) Destroy

'Obliterate' means wipe out or eliminate completely.

Q71. Select the antonym of: **ARROGANT**
  1. Humble
  2. Haughty
  3. Proud
  4. Conceited

Answer: (A) Humble

'Arrogant' means having an exaggerated sense of self-importance; 'Humble' is its opposite.

Q72. Select the correctly spelt word:
  1. Bureaucracy
  2. Beureaucracy
  3. Bureaucracy
  4. Burocracy

Answer: (A) Bureaucracy

'Bureaucracy' is spelled correctly in option 0.

Q73. Fill in the blank: *Hard work is the key ___ success.*
  1. to
  2. for
  3. of
  4. in

Answer: (A) to

The idiom 'key to success' takes preposition 'to'.

Q74. Find error part: *Although he worked hard, but he failed.*
  1. but he failed
  2. Although he
  3. worked hard
  4. No error

Answer: (A) but he failed

'Although' is not paired with 'but'. Use comma or 'yet' instead.

Q75. Select the meaning of the idiom: **A blessing in disguise**
  1. A good outcome from an initially bad situation
  2. A secret gift
  3. A curse from a saint
  4. An unexpected problem

Answer: (A) A good outcome from an initially bad situation

'A blessing in disguise' refers to something good that seemed bad at first.

Q76. If 15% of a number is 45, find 60% of the number.
  1. 180
  2. 150
  3. 160
  4. 200

Answer: (A) 180

Number = (45 / 15) * 100 = 300. 60% of 300 = 180.

Q77. A article bought for ₹400 is sold for ₹480. Find profit percentage.
  1. 20%
  2. 15%
  3. 25%
  4. 18%

Answer: (A) 20%

Profit = 480 - 400 = ₹80. Profit% = (80 / 400) * 100 = 20%.

Q78. Average marks of 4 students is 50. If 5th student scores 70, find new average.
  1. 54
  2. 52
  3. 55
  4. 56

Answer: (A) 54

Total sum = 4 * 50 + 70 = 200 + 70 = 270. New average = 270 / 5 = 54.

Q79. A speed of 90 km/h expressed in m/s is equal to:
  1. 25 m/s
  2. 20 m/s
  3. 30 m/s
  4. 15 m/s

Answer: (A) 25 m/s

90 * (5/18) = 25 m/s.

Q80. If X:Y = 3:4 and Y:Z = 8:9, find X:Z.
  1. 2:3
  2. 3:2
  3. 1:2
  4. 3:5

Answer: (A) 2:3

X/Z = (X/Y) * (Y/Z) = (3/4) * (8/9) = 24/36 = 2/3.

Q81. Find SI on ₹6000 at 10% per annum for 2 years.
  1. ₹1200
  2. ₹1000
  3. ₹1400
  4. ₹600

Answer: (A) ₹1200

SI = (6000 * 10 * 2) / 100 = ₹1200.

Q82. A can do a job in 10 days, B in 15 days. Working together, in how many days can they complete it?
  1. 6 days
  2. 5 days
  3. 7.5 days
  4. 8 days

Answer: (A) 6 days

Time = (10 * 15) / (10 + 15) = 150 / 25 = 6 days.

Q83. Find the HCF of 24, 36, and 60.
  1. 12
  2. 6
  3. 18
  4. 24

Answer: (A) 12

Highest Common Factor dividing 24, 36, and 60 is 12.

Q84. If x + 1/x = 3, find x² + 1/x².
  1. 7
  2. 9
  3. 11
  4. 5

Answer: (A) 7

x² + 1/x² = (3)² - 2 = 9 - 2 = 7.

Q85. Perimeter of a square is 36 cm. Find its area.
  1. 81 cm²
  2. 36 cm²
  3. 64 cm²
  4. 100 cm²

Answer: (A) 81 cm²

Side = 36 / 4 = 9 cm. Area = 9² = 81 cm².

Q86. Find Compound Interest on ₹10000 at 10% p.a. compounded annually for 2 years.
  1. ₹2100
  2. ₹2000
  3. ₹2200
  4. ₹2050

Answer: (A) ₹2100

Amount = 10000 * (1.10)² = 12100. CI = 12100 - 10000 = ₹2100.

Q87. Solve for y: 5y - 7 = 3y + 9
  1. 8
  2. 6
  3. 7
  4. 10

Answer: (A) 8

2y = 16 => y = 8.

Q88. Volume of a cube with edge 5 cm is:
  1. 125 cm³
  2. 100 cm³
  3. 150 cm³
  4. 75 cm³

Answer: (A) 125 cm³

Volume = edge³ = 5³ = 125 cm³.

Q89. Two successive discounts of 10% and 10% are equal to a single discount of:
  1. 19%
  2. 20%
  3. 18%
  4. 21%

Answer: (A) 19%

Discount = 10 + 10 - (10*10)/100 = 20 - 1 = 19%.

Q90. If tan θ = 1, where 0° < θ < 90°, what is value of θ?
  1. 45°
  2. 30°
  3. 60°
  4. 90°

Answer: (A) 45°

tan 45° = 1.

Q91. Simplify: 2^5 / 2^2
  1. 8
  2. 16
  3. 4
  4. 32

Answer: (A) 8

2^(5-2) = 2^3 = 8.

Q92. In what ratio must milk worth ₹40/L be mixed with water (cost ₹0) to get a mixture worth ₹32/L?
  1. 4:1
  2. 3:1
  3. 2:1
  4. 5:1

Answer: (A) 4:1

Alligation: (32 - 0) : (40 - 32) = 32 : 8 = 4 : 1.

Q93. Sum of roots of x² - 9x + 20 = 0 is:
  1. 9
  2. -9
  3. 20
  4. -20

Answer: (A) 9

Sum of roots = -b/a = -(-9)/1 = 9.

Q94. If radius of a circle increases by 20%, area increases by:
  1. 44%
  2. 40%
  3. 20%
  4. 50%

Answer: (A) 44%

% Change = 20 + 20 + (20*20)/100 = 40 + 4 = 44%.

Q95. A boat speed in still water is 10 km/h and current speed is 3 km/h. Downstream speed is:
  1. 13 km/h
  2. 7 km/h
  3. 15 km/h
  4. 12 km/h

Answer: (A) 13 km/h

Downstream speed = Boat speed + Current speed = 10 + 3 = 13 km/h.

Q96. Find median of numbers: 3, 1, 7, 5, 9
  1. 5
  2. 3
  3. 7
  4. 1

Answer: (A) 5

Arranged in ascending order: 1, 3, 5, 7, 9. Middle term = 5.

Q97. Evaluate: sec²(45°) - tan²(45°)
  1. 1
  2. 0
  3. 2
  4. √2

Answer: (A) 1

Trigonometric identity sec²θ - tan²θ = 1.

Q98. Diameter of a circle is 28 cm. Find its circumference. (π = 22/7)
  1. 88 cm
  2. 44 cm
  3. 176 cm
  4. 616 cm

Answer: (A) 88 cm

Circumference = π * d = (22/7) * 28 = 88 cm.

Q99. Find LCM of 12, 18, and 24.
  1. 72
  2. 36
  3. 48
  4. 108

Answer: (A) 72

Least Common Multiple for 12, 18, 24 is 72.

Q100. CP of 15 articles equals SP of 10 articles. Gain percentage is:
  1. 50%
  2. 33.33%
  3. 25%
  4. 20%

Answer: (A) 50%

Gain% = [(15 - 10) / 10] * 100 = (5 / 10) * 100 = 50%.