Employees reduced in ratio 9:8, wages increased in ratio 14:15. Wage bill ratio: MCQ with Answer and Explanation

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Employees reduced in ratio 9:8, wages increased in ratio 14:15. Wage bill ratio:

A. 14:15

B. 20:21

C. 21:20

D. 15:14

Answer: Option C

Solution (By JKSSB Mock Tests)

Initial bill = E×W, final = (8/9 E)×(15/14 W) = 20/21 of initial, ratio 21:20.

This question belongs to: Maths Percentage

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Question #1

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A number divided by 5, quotient increased by 20% then decreased by 20% gives 480. Number:

A. 2000

B. 2500

C. 2200

D. 2400

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Correct Answer: Option B

Explanation:
(N/5)×1.2×0.8=480 → (N/5)×0.96=480 → N/5=500 → N=2500.

This question belongs to: Maths Percentage

Question #2

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A gets 25% more than B, B gets 20% more than C. C=500, A's share:

A. 725

B. 700

C. 775

D. 750

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Correct Answer: Option D

Explanation:
C=500, B=600, A=600×1.25=750.

This question belongs to: Maths Percentage

Question #3

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A number decreased by 10% becomes 90. The number is:

A. 100

B. 105

C. 95

D. 110

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Correct Answer: Option A

Explanation:
0.9x = 90 → x = 100.

This question belongs to: Maths Percentage

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