Delhi Police Constable · Topic Collection

Quantitative Aptitude PYQs

Arithmetic, number systems, percentages, ratios, profit and loss, time and work, algebra, geometry, mensuration, and trigonometry.

1680 Total Questions112 Official PapersYears: 2017–2026Search in Quantitative Aptitude
Showing questions 141–160 of 1680Page 8 of 84
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 141

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A product was bought for ₹ 500 and sold at a 15% loss.

What is the selling price?

  1. AOption (a)

    ₹415

  2. BOption (b)

    ₹420

  3. COption (c)

    ₹430

  4. DOption (d)

    ₹425

View answer & explanation

Correct answer

Answer: (a)A.

₹415

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 142

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A student buys 5 pencils for ₹25. How much will 8 pencils cost?

  1. AOption (a)

    ₹35

  2. BOption (b)

    ₹38

  3. COption (c)

    ₹40

  4. DOption (d)

    ₹45

View answer & explanation

Correct answer

Answer: (a)A.

₹35

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 143

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A creditor earns ₹ 264 as simple interest in 4 years at 11% per annum.

What amount did he lend?

  1. AOption (a)

    ₹500

  2. BOption (b)

    ₹550

  3. COption (c)

    ₹600

  4. DOption (d)

    ₹650

View answer & explanation

Correct answer

Answer: (a)A.

₹500

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 144

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A boat takes 2 hours to go 16 km downstream and 4 hours to return the same 16 km upstream.

What is the speed of the stream?

  1. AOption (a)

    2 km/h

  2. BOption (b)

    3 km/h

  3. COption (c)

    4 km/h

  4. DOption (d)

    5 km/h

View answer & explanation

Correct answer

Answer: (a)A.

2 km/h

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 145

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A can do a work in 12 days, B in 18 days, C in 36 days. If they work together for 3 days, then A leaves, how many more days will B and C take?

  1. AOption (a)

    6 days

  2. BOption (b)

    7 days

  3. COption (c)

    8 days

  4. DOption (d)

    9 days

View answer & explanation

Correct answer

Answer: (a)A.

6 days

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 146

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A large solid cone with a radius of 12 cm and a height of 10 cm is melted and recast into several smaller, identical cones, each with a radius of 3 cm and a height of 5 cm. How many small cones can be formed? (use π = 3.14)

  1. AOption (a)

    34

  2. BOption (b)

    32

  3. COption (c)

    56

  4. DOption (d)

    48

View answer & explanation

Correct answer

Answer: (a)A.

34

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 147

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A triangular roof has sides 9 m, 12 m, and 15 m . Find the altitude corresponding to the side of length 15 m .

  1. AOption (a)

    9, 1 m

  2. BOption (b)

    4.5 m

  3. COption (c)

    13.5 m

  4. DOption (d)

    7.2 m

View answer & explanation

Correct answer

Answer: (a)A.

9, 1 m

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 148

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The base of a right prism is a triangle with sides 12 cm, 16 cm, and 20 cm. If the height of the prism is 8 cm , find the volume of the prism.

  1. AOption (a)

    348 cm3

  2. BOption (b)

    988 cm3

  3. COption (c)

    678 cm3

  4. DOption (d)

    768 cm3

View answer & explanation

Correct answer

Answer: (a)A.

348 cm3

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 149

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The speed of a bus is 150% of the speed of a car. The car covers a distance of 600 km in 10 hours. How much distance will the bus cover in 4 hours?

  1. AOption (a)

    360 km

  2. BOption (b)

    780 km

  3. COption (c)

    165 km

  4. DOption (d)

    245 km

View answer & explanation

Correct answer

Answer: (a)A.

360 km

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 150

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A ring is formed between two concentric circles with outer radius R = 14 cm and inner radius r = 9 cm. Using π = 22/7, find the area of the ring.

  1. AOption (a)

    139.2 cm2

  2. BOption (b)

    451.5 cm2

  3. COption (c)

    361.42 cm2

  4. DOption (d)

    341.5 cm2

View answer & explanation

Correct answer

Answer: (a)A.

139.2 cm2

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 151

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The average of five consecutive odd numbers is 35.

What is the smallest of these numbers?

  1. AOption (a)

    31

  2. BOption (b)

    29

  3. COption (c)

    27

  4. DOption (d)

    33

View answer & explanation

Correct answer

Answer: (a)A.

31

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 152

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A wheel of radius 21 cm is rolled one complete round.

What distance does it cover?

(π = 22/7)

  1. AOption (a)

    44 cm

  2. BOption (b)

    21 cm

  3. COption (c)

    154 cm

  4. DOption (d)

    132 cm

View answer & explanation

Correct answer

Answer: (a)A.

44 cm

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 153

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

What is the area of a circle with a diameter of 20 cm?

(π = 3.14)

  1. AOption (a)

    100 cm2

  2. BOption (b)

    78.5 cm2

  3. COption (c)

    314 cm2

  4. DOption (d)

    125.6 cm2

View answer & explanation

Correct answer

Answer: (a)A.

100 cm2

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 154

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

An article is marked at Rs. 400. If sold at a 10% discount, what is the selling price ?

  1. AOption (a)

    Rs. 350

  2. BOption (b)

    Rs. 360

  3. COption (c)

    Rs. 365

  4. DOption (d)

    Rs. 370

View answer & explanation

Correct answer

Answer: (a)A.

Rs. 350

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 155

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The length of a circular race track is 440m. A runner takes 100 steps in one round.

What is the length of one step?

  1. AOption (a)

    1.44 m

  2. BOption (b)

    2.2 m

  3. COption (c)

    44 m

  4. DOption (d)

    4.4 m

View answer & explanation

Correct answer

Answer: (a)A.

1.44 m

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 156

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A cyclist travels 30 km in 2 hours.

How long will it take him to cover 75 km at the same speed?

  1. AOption (a)

    4 hrs

  2. BOption (b)

    4.5 hrs

  3. COption (c)

    5 hrs

  4. DOption (d)

    5.5 hrs

View answer & explanation

Correct answer

Answer: (a)A.

4 hrs

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 157

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A student scores 140 marks out of 200.

What percentage of marks did he score?

  1. AOption (a)

    65%

  2. BOption (b)

    68%

  3. COption (c)

    70%

  4. DOption (d)

    72%

View answer & explanation

Correct answer

Answer: (a)A.

65%

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 158

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A trader purchased goods for Rs. 1200 and sold them for Rs. 1440.

What is the profit percentage?

  1. AOption (a)

    15%

  2. BOption (b)

    18%

  3. COption (c)

    25%

  4. DOption (d)

    20%

View answer & explanation

Correct answer

Answer: (a)A.

15%

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 159

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

An article was sold for Rs. 990 at a 10% loss.

What was its cost price?

  1. AOption (a)

    Rs. 1050

  2. BOption (b)

    Rs. 1080

  3. COption (c)

    Rs. 1100

  4. DOption (d)

    Rs. 1120

View answer & explanation

Correct answer

Answer: (a)A.

Rs. 1050

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 30 Dec, 2025 Shift 2) (Previous Year Paper)·Numerical Ability
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Question 160

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A deposit grows to Rs. 650 in 2 years and to Rs. 700 in 3 years under simple interest.

What was the original principal?

  1. AOption (a)

    Rs. 550

  2. BOption (b)

    Rs. 560

  3. COption (c)

    Rs. 570

  4. DOption (d)

    Rs. 580

View answer & explanation

Correct answer

Answer: (a)A.

Rs. 550

Explanation not yet available.

How should I prepare for Quantitative Aptitude in Delhi Police Constable?

Solving previous year questions by topic helps identify recurring concepts, question patterns, and frequently asked sub-topics. Attempt each question, review the step-by-step explanation, and note down key formulas or facts for quick revision before the exam.