If 15% of a number is subtracted from 30% of that number, the result is 45. The number is: MCQ with Answer and Explanation

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If 15% of a number is subtracted from 30% of that number, the result is 45. The number is:

A. 300

B. 400

C. 250

D. 350

Answer: Option A

Solution (By JKSSB Mock Tests)

0.3x - 0.15x = 45 → 0.15x = 45 → x = 300.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

In a school, 70% of 500 students are present. Number absent is:

A. 200

B. 100

C. 350

D. 150

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Correct Answer: Option D

Explanation:
Absent = 30% of 500 = 150.

This question belongs to: Maths Percentage

Question #2

In 100 L mixture, milk:water = 3:2. Water added to make ratio 1:1:

A. 30 L

B. 40 L

C. 20 L

D. 25 L

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Correct Answer: Option C

Explanation:
Milk=60 L, water=40 L. For milk:water = 1:1, water=60 L, add 20 L.

This question belongs to: Maths Percentage

Question #3

A man spends 70% of his income. If he saves Rs. 3000, what is his total income?

A. 10000

B. 8000

C. 9000

D. 12000

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Correct Answer: Option A

Explanation:
Savings = 100% - 70% = 30%. 30% of Income = 3000. Income = 3000 * (100 / 30) = 10000.

This question belongs to: Maths Percentage

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