60% of a number is 30 less than 75% of the same number. The number is: MCQ with Answer and Explanation

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60% of a number is 30 less than 75% of the same number. The number is:

A. 240

B. 180

C. 200

D. 150

Answer: Option C

Solution (By JKSSB Mock Tests)

0.75x - 0.6x = 30 → 0.15x = 30 → x = 200.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

In 80 L mixture, milk:water = 5:3. Water added to make ratio 1:2:

A. 70 L

B. 90 L

C. 60 L

D. 80 L

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Correct Answer: Option A

Explanation:
Milk=50 L, water=30 L. For milk:water = 1:2, water needed=100 L, add 70 L.

This question belongs to: Maths Percentage

Question #2

In an examination, 35% students failed in English, 30% failed in Mathematics and 20% failed in both. If the total number of students passing in both subjects is 550, find the total number of students.

A. 1000

B. 1100

C. 800

D. 900

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Correct Answer: Option A

Explanation:
Failed in at least one = 35+30-20 = 45%. Passed in both = 55% = 550 → total = 550/0.55 = 1000.

This question belongs to: Maths Percentage

Question #3

A's marks 25% more than B, B's 20% less than C. A=150, find C:

A. 130

B. 140

C. 150

D. 120

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Correct Answer: Option C

Explanation:
A=1.25B, B=0.8C → A=1.25×0.8C = C, so C=150.

This question belongs to: Maths Percentage

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