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 121–140 of 1680Page 7 of 84
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 121

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The average weight of 8 men in a group is 70 kg.

What is the total weight of all the men combined?

  1. AOption (a)

    550

  2. BOption (b)

    560

  3. COption (c)

    565

  4. DOption (d)

    570

View answer & explanation

Correct answer

Answer: (a)A.

550

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 122

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A pen is marked at ₹100. The shopkeeper first gives a 5% discount, then another 5% discount.

What is the final selling price?

  1. AOption (a)

    ₹85.25

  2. BOption (b)

    ₹86

  3. COption (c)

    ₹90.25

  4. DOption (d)

    ₹91

View answer & explanation

Correct answer

Answer: (a)A.

₹85.25

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 123

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A circular tablecloth is 14 m in diameter.

What is the cost of cloth at Rs 50 per m²? (π=22/7)

  1. AOption (a)

    ₹ 7,700

  2. BOption (b)

    ₹ 8,000

  3. COption (c)

    ₹ 6,150

  4. DOption (d)

    ₹ 10,000

View answer & explanation

Correct answer

Answer: (a)A.

₹ 7,700

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 124

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A man drives 2 hours at 30 km/h and then 3 hours at 40 km/h.
What total distance does he cover?

  1. AOption (a)

    120 km

  2. BOption (b)

    150 km

  3. COption (c)

    170 km

  4. DOption (d)

    180 km

View answer & explanation

Correct answer

Answer: (a)A.

120 km

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 125

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The price of rice rises from ₹40 per kg to ₹50 per kg.

What is the percentage increase?

  1. AOption (a)

    20%

  2. BOption (b)

    22%

  3. COption (c)

    24%

  4. DOption (d)

    25%

View answer & explanation

Correct answer

Answer: (a)A.

20%

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 126

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A trader sold an article for ₹720 at a 20% gain.

Find the cost price.

  1. AOption (a)

    ₹600

  2. BOption (b)

    ₹590

  3. COption (c)

    ₹580

  4. DOption (d)

    ₹610

View answer & explanation

Correct answer

Answer: (a)A.

₹600

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 127

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A has ₹60 and B has ₹40. What is the ratio of their amounts?

  1. AOption (a)

    2:1

  2. BOption (b)

    3:2

  3. COption (c)

    4:3

  4. DOption (d)

    3:1

View answer & explanation

Correct answer

Answer: (a)A.

2:1

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 128

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A saver places money at 15% simple interest per annum. In how many years will his investment double?

  1. AOption (a)

    ≈ 5.5

  2. BOption (b)

    ≈ 7.7

  3. COption (c)

    ≈ 6.6

  4. DOption (d)

    ≈ 8.8

View answer & explanation

Correct answer

Answer: (a)A.

≈ 5.5

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 129

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A train 180 m long crosses a man standing on the platform in 12 seconds.
What is the train's speed?

  1. AOption (a)

    52 km/h

  2. BOption (b)

    54 km/h

  3. COption (c)

    56 km/h

  4. DOption (d)

    58 km/h

View answer & explanation

Correct answer

Answer: (a)A.

52 km/h

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 130

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A can do a work in 15 days, B in 20 days. If they work alternately starting with A, how many days to finish the work?

  1. AOption (a)

    16 days

  2. BOption (b)

    17 days

  3. COption (c)

    18 days

  4. DOption (d)

    19 days

View answer & explanation

Correct answer

Answer: (a)A.

16 days

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 131

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

X train travels at 80 km/h for 2 hours and then at 90 km/h for 3 hours. Find the total distance covered.

  1. AOption (a)

    360 km

  2. BOption (b)

    380 km

  3. COption (c)

    400 km

  4. DOption (d)

    430 km

View answer & explanation

Correct answer

Answer: (a)A.

360 km

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 132

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

Find the perimeter of a sector with radius r=14 cm and angle 0=90°(π=22/7).

  1. AOption (a)

    34 cm

  2. BOption (b)

    47 cm

  3. COption (c)

    50 cm

  4. DOption (d)

    21 cm

View answer & explanation

Correct answer

Answer: (a)A.

34 cm

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 133

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A solid metallic cone with height 24cm and base radius 6 cm is melted and recast into a number of small solid
spheres, each of radius 1.5 cm. Find the number of spheres that can be formed. (use π= 3.14)

  1. AOption (a)

    64

  2. BOption (b)

    55

  3. COption (c)

    34

  4. DOption (d)

    76

View answer & explanation

Correct answer

Answer: (a)A.

64

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 134

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A triangular land has sides 9 m, 10 m, and 11 m. A path is to be built along the perimeter. Find the area of the land and the length of the path.

  1. AOption (a)

    Area =34.67 m²

    Perimeter =50 m

  2. BOption (b)

    Area =67.05 m²

    Perimeter = 45 m

  3. COption (c)

    Area =42.43 m²

    Perimeter =30 m

  4. DOption (d)

    Area =42.43 m²

    Perimeter =60 m

View answer & explanation

Correct answer

Answer: (a)A.

Area =34.67 m²

Perimeter =50 m

Explanation not yet available.
Delhi Police Constable (Executive) (Held On: 29 Dec, 2025 Shift 1) (Previous Year Paper)·Numerical Ability
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Question 135

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The base of a right prism is a triangle with sides of lengths 15 cm, 20 cm, and 25 cm. If the height of the prism is 7 cm, find the volume of the prism.

  1. AOption (a)

    1890 cm³

  2. BOption (b)

    1780 cm³

  3. COption (c)

    1050 cm³

  4. DOption (d)

    1350 cm³

View answer & explanation

Correct answer

Answer: (a)A.

1890 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 136

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

The average of 6 test scores is 8 .

If a seventh score is added and the new average becomes 9 , what is the value of the new score added?

  1. AOption (a)

    15

  2. BOption (b)

    20

  3. COption (c)

    21

  4. DOption (d)

    25

View answer & explanation

Correct answer

Answer: (a)A.

15

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 137

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

An article is marked at ₹1500.

If successive discounts of 10% and 5% are given, what is the selling price?

  1. AOption (a)

    ₹ 1259

  2. BOption (b)

    ₹ 1261

  3. COption (c)

    ₹ 1277

  4. DOption (d)

    ₹ 1283

View answer & explanation

Correct answer

Answer: (a)A.

₹ 1259

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 138

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A circular pond with a radius of 10 m is surrounded by a path 1 m wide.

Find the area of the path.

(π = 3.14)

  1. AOption (a)

    65.94 m2

  2. BOption (b)

    34.54 m2

  3. COption (c)

    31.42 m2

  4. DOption (d)

    68.54 m2

View answer & explanation

Correct answer

Answer: (a)A.

65.94 m2

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 139

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A person walks 8 km in 2 hours.

How far can he walk in 5 hours at the same pace?

  1. AOption (a)

    18 km

  2. BOption (b)

    19 km

  3. COption (c)

    22 km

  4. DOption (d)

    20 km

View answer & explanation

Correct answer

Answer: (a)A.

18 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 140

Delhi Police Constable 2025• Numerical Ability• Numerical Ability

A man has ₹ 600 and spends ₹ 450. What percentage of his total money is spent?

  1. AOption (a)

    65%

  2. BOption (b)

    70%

  3. COption (c)

    80%

  4. DOption (d)

    75%

View answer & explanation

Correct answer

Answer: (a)A.

65%

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.