Difference between a number and its 3/5 is 300. 20% of that number: MCQ with Answer and Explanation

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Difference between a number and its 3/5 is 300. 20% of that number:

A. 180

B. 150

C. 120

D. 100

Answer: Option B

Solution (By JKSSB Mock Tests)

x - 0.6x = 0.4x = 300 → x = 750, 20% = 150.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

A number is added to 30% of itself and the sum is 780. Find the number.

A. 550

B. 600

C. 650

D. 500

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Correct Answer: Option B

Explanation:
x + 0.3x = 1.3x = 780 → x = 600.

This question belongs to: Maths Percentage

Question #2

The population of a town increases by 5% from 20,000. New population is:

A. 20,500

B. 21,000

C. 21,500

D. 22,000

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Correct Answer: Option B

Explanation:
20,000 × 1.05 = 21,000.

This question belongs to: Maths Percentage

Question #3

A train running at the speed of 72 kmph crosses a pole in 12 seconds. Find the length of the train.

A. 260 m

B. 240 m

C. 200 m

D. 220 m

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Correct Answer: Option B

Explanation:
Speed = 72 × 5/18 = 20 m/s. Length = 20×12 = 240 m.

This question belongs to: Maths Percentage

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