A number is 30% of another number. If the sum of the numbers is 390, find the larger number. MCQ with Answer and Explanation

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A number is 30% of another number. If the sum of the numbers is 390, find the larger number.

A. 270

B. 260

C. 250

D. 300

Answer: Option D

Solution (By JKSSB Mock Tests)

Let larger x, smaller 0.3x. 1.3x = 390 → x=300.

This question belongs to: Maths Percentage

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Question #1

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A's income is 25% more than B's, and B's income is 20% less than C's. What percent is A's income of C's?

A. 95%

B. 100%

C. 105%

D. 90%

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Correct Answer: Option B

Explanation:
Let C=100, B=80, A=80×1.25=100. A is 100% of C.

This question belongs to: Maths Percentage

Question #2

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What is 20% of 50% of 300?

A. 25

B. 40

C. 30

D. 35

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Correct Answer: Option C

Explanation:
0.2 × 0.5 × 300 = 30.

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Question #3

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Spends 30% on food, 20% rent, 15% clothing, saves Rs. 5250. Income:

A. 15000

B. 16000

C. 12000

D. 14000

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Correct Answer: Option A

Explanation:
Spends 65%, saves 35% = 5250, income = 5250/0.35 = 15000.

This question belongs to: Maths Percentage

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