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 61–80 of 1680Page 4 of 84
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 61

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The daily wages of three workers are 100, 120, and 140.

What is the average daily wage?

  1. AOption (a)

    110

  2. BOption (b)

    115

  3. COption (c)

    120

  4. DOption (d)

    125

View answer & explanation

Correct answer

Answer: (a)A.

110

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 62

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The average salary of 5 employees in a company is ₹8,000.

What is the total salary paid to all 5 employees?

  1. AOption (a)

    ₹35,000

  2. BOption (b)

    ₹38,000

  3. COption (c)

    ₹42,000

  4. DOption (d)

    ₹40,000

View answer & explanation

Correct answer

Answer: (a)A.

₹35,000

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 63

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The area of a circle is 78.5 m².

What is its radius? (π=3.14)

  1. AOption (a)

    5 m

  2. BOption (b)

    10 m

  3. COption (c)

    7 m

  4. DOption (d)

    9 m

View answer & explanation

Correct answer

Answer: (a)A.

5 m

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 64

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A round plate has a radius of 10 cm.

What is its circumference? (π=3.14)

  1. AOption (a)

    31.4 cm

  2. BOption (b)

    62.8 cm

  3. COption (c)

    15.7 cm

  4. DOption (d)

    94.2 cm

View answer & explanation

Correct answer

Answer: (a)A.

31.4 cm

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 65

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

An article is marked at ₹1000 but sold for ₹850.

What is the discount percentage?

  1. AOption (a)

    13%

  2. BOption (b)

    14%

  3. COption (c)

    15%

  4. DOption (d)

    16%

View answer & explanation

Correct answer

Answer: (a)A.

13%

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 66

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A 200 m train passes a pole in 20 seconds.

Find its speed in km/h.

  1. AOption (a)

    32

  2. BOption (b)

    36

  3. COption (c)

    40

  4. DOption (d)

    45

View answer & explanation

Correct answer

Answer: (a)A.

32

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 67

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

In an office of 1000 people, 400 are women.

What percentage are women?

  1. AOption (a)

    35%

  2. BOption (b)

    40%

  3. COption (c)

    38%

  4. DOption (d)

    42%

View answer & explanation

Correct answer

Answer: (a)A.

35%

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 68

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A trader sold an article for ₹240 and made a gain of 20%.

What was its cost price?

  1. AOption (a)

    ₹180

  2. BOption (b)

    ₹190

  3. COption (c)

    ₹200

  4. DOption (d)

    ₹210

View answer & explanation

Correct answer

Answer: (a)A.

₹180

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 69

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The present ages of A and B are in the ratio 7:5. After 9 years, the ratio becomes 8:6.

What are their present ages?

  1. AOption (a)

    21, 15

  2. BOption (b)

    63, 45

  3. COption (c)

    45, 23

  4. DOption (d)

    53, 25

View answer & explanation

Correct answer

Answer: (a)A.

21, 15

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 70

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A shopkeeper borrows ₹2000 for 2.5 years at 12% simple interest per annum.

How much interest will he pay?

  1. AOption (a)

    ₹580

  2. BOption (b)

    ₹590

  3. COption (c)

    ₹600

  4. DOption (d)

    ₹610

View answer & explanation

Correct answer

Answer: (a)A.

₹580

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 71

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A person lends ₹480 at 10% simple interest per annum.

What interest will he earn in 3 years?

  1. AOption (a)

    ₹140

  2. BOption (b)

    ₹160

  3. COption (c)

    ₹150

  4. DOption (d)

    ₹144

View answer & explanation

Correct answer

Answer: (a)A.

₹140

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 72

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

Two runners, A and B, run at speeds in the ratio 2:3.

If A covers 200 m in 40 seconds, how long will B take to cover the same distance?

  1. AOption (a)

    ≈ 27 s

  2. BOption (b)

    ≈ 24 s

  3. COption (c)

    ≈ 25 s

  4. DOption (d)

    ≈ 28 s

View answer & explanation

Correct answer

Answer: (a)A.

≈ 27 s

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 73

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

What is the LCM of (a²-b²) and (a-b)?

  1. AOption (a)

    (a-b)

  2. BOption (b)

    (a+b)(a-b)

  3. COption (c)

    (a²-b²)

  4. DOption (d)

    (a - b)²

View answer & explanation

Correct answer

Answer: (a)A.

(a-b)

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 74

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

What is the smallest number which when increased by 3 is divisible by 27, 35, 25, and 21?

  1. AOption (a)

    4722

  2. BOption (b)

    4725

  3. COption (c)

    4728

  4. DOption (d)

    4719

View answer & explanation

Correct answer

Answer: (a)A.

4722

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 26 Dec, 2025 Shift 3) (Previous Year Paper)·Numerical Ability
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Question 75

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

Evaluate: 50 + 60 ÷ (5×2) - 8×3

  1. AOption (a)

    32

  2. BOption (b)

    36

  3. COption (c)

    34

  4. DOption (d)

    42

View answer & explanation

Correct answer

Answer: (a)A.

32

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 27 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 76

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A cricket player has an average of 55 runs over 9 matches. If he scores 145 runs in the 10th match, what will be his new average? 

  1. AOption (a)

    63 

  2. BOption (b)

    64

  3. COption (c)

    65

  4. DOption (d)

    66

View answer & explanation

Correct answer

Answer: (a)A.

63 

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 27 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 77

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

An item is sold after successive discounts of 30% and 10%. What is the equivalent single discount percentage? 

  1. AOption (a)

    36% 

  2. BOption (b)

    37% 

  3. COption (c)

    38% 

  4. DOption (d)

    40%

View answer & explanation

Correct answer

Answer: (a)A.

36% 

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 27 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 78

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A circular well of radius 7 m is dug 10 m deep. Find the volume of earth dug out. (π = 22/7)

  1. AOption (a)

    1100 m2

  2. BOption (b)

    2200 m2

  3. COption (c)

    1538 m2

  4. DOption (d)

    1540 m2

View answer & explanation

Correct answer

Answer: (a)A.

1100 m2

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 27 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 79

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A boy walks 9 km in 3 hours. Find his speed in km/h. 

  1. AOption (a)

    2 km/h 

  2. BOption (b)

    2.5 km/h 

  3. COption (c)

    3 km/h 

  4. DOption (d)

    3.5 km/h  

View answer & explanation

Correct answer

Answer: (a)A.

2 km/h 

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 27 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 80

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A train 100 m long passes a 200 m platform in 15 seconds. Find the speed of the train. 

  1. AOption (a)

    72 km/h 

  2. BOption (b)

    60 km/h 

  3. COption (c)

    80 km/h 

  4. DOption (d)

    90 km/h 

View answer & explanation

Correct answer

Answer: (a)A.

72 km/h 

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.