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Question 21

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

A train covers 100 km in 2 hours and 30 minutes. What is its speed in km/h?

  1. AOption (a)

    35 km/h

  2. BOption (b)

    38 km/h

  3. COption (c)

    42 km/h

  4. DOption (d)

    40 km/h

View answer & explanation

Correct answer

Answer: (a)A.

35 km/h

Explanation not yet available.

Question 22

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

A runner completes 100 m in 20 seconds. What is his speed in km/h?

  1. AOption (a)

    16.2

  2. BOption (b)

    18

  3. COption (c)

    19.2

  4. DOption (d)

    20

View answer & explanation

Correct answer

Answer: (a)A.

16.2

Explanation not yet available.

Question 23

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

The price of a cycle falls from ₹3000 to ₹2700. What is the percentage decrease?

  1. AOption (a)

    8%

  2. BOption (b)

    10%

  3. COption (c)

    9%

  4. DOption (d)

    12%

View answer & explanation

Correct answer

Answer: (a)A.

8%

Explanation not yet available.

Question 24

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

The value of an item falls from \( ₹8000 \) to \( ₹7200 \). What is the percentage decrease?

  1. AOption (a)

    8%

  2. BOption (b)

    9%

  3. COption (c)

    10%

  4. DOption (d)

    12%

View answer & explanation

Correct answer

Answer: (a)A.

8%

Explanation not yet available.

Question 25

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

A trader sells an item at a 25% loss. If he had sold it for \( ₹60 \) more, he would have made a 10% profit. Find the cost price.

  1. AOption (a)

    ≈ \( ₹211.4 \)

  2. BOption (b)

    ≈ \( ₹221.4 \)

  3. COption (c)

    ≈ \( ₹171.4 \)

  4. DOption (d)

    ≈ \( ₹181.4 \)

View answer & explanation

Correct answer

Answer: (a)A.

≈ \( ₹211.4 \)

Explanation not yet available.

Question 26

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

The monthly incomes of A and B are in the ratio 5:4, and their expenditures are in the ratio 3:2. If both save \( ₹500 \) each, what is A's income?

  1. AOption (a)

    \( ₹2500 \)

  2. BOption (b)

    \( ₹1250 \)

  3. COption (c)

    \( ₹3000 \)

  4. DOption (d)

    \( ₹4250 \)

View answer & explanation

Correct answer

Answer: (a)A.

\( ₹2500 \)

Explanation not yet available.

Question 27

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

A student borrows \( ₹400 \) from a lending club at 9% simple interest per annum. What interest does he need to pay in 1 year?

  1. AOption (a)

    \( ₹34 \)

  2. BOption (b)

    \( ₹36 \)

  3. COption (c)

    \( ₹35 \)

  4. DOption (d)

    \( ₹38 \)

View answer & explanation

Correct answer

Answer: (a)A.

\( ₹34 \)

Explanation not yet available.

Question 28

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

Two bikers start from points 180 km apart and ride towards each other at 20 km/h and 25 km/h, respectively. After how much time will they meet?

  1. AOption (a)

    3 hr

  2. BOption (b)

    3.5 hr

  3. COption (c)

    4 hr

  4. DOption (d)

    4.5 hr

View answer & explanation

Correct answer

Answer: (a)A.

3 hr

Explanation not yet available.

Question 29

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

A wire is bent in the form of a square enclosing an area of \( 121 \text{ cm}^{2} \). If the same wire is bent in the form of a circle, what is the approximate area enclosed by the circle? (Use \( \pi = \frac{22}{7} \)).

  1. AOption (a)

    \( 154 \text{ cm}^{2} \)

  2. BOption (b)

    \( 105 \text{ cm}^{2} \)

  3. COption (c)

    \( 149 \text{ cm}^{2} \)

  4. DOption (d)

    \( 267 \text{ cm}^{2} \)

View answer & explanation

Correct answer

Answer: (a)A.

\( 154 \text{ cm}^{2} \)

Explanation not yet available.

Question 30

Delhi Police Constable 2026• Numerical Ability• Numerical Ability

Find the number formed by the digits 6, 0, 3, 5, 9 that results in the greatest difference between its largest digit's place value and its smallest digit's place value.

  1. AOption (a)

    90,356

  2. BOption (b)

    69,530

  3. COption (c)

    96,530

  4. DOption (d)

    30,569

View answer & explanation

Correct answer

Answer: (a)A.

90,356

Explanation not yet available.