Employees reduced in ratio 5:4, wages increased in ratio 6:7. Wage bill ratio initial:final: MCQ with Answer and Explanation

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Employees reduced in ratio 5:4, wages increased in ratio 6:7. Wage bill ratio initial:final:

A. 10:9

B. 15:14

C. 9:10

D. 14:15

Answer: Option B

Solution (By JKSSB Mock Tests)

Initial bill = E×W. Final = (4/5)E×(7/6)W = (28/30) = 14/15 initial. Ratio initial:final = 1:(14/15) = 15:14.

This question belongs to: Maths Percentage

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Question #1

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If A's salary is 20% more than B's, by what percent is B's salary less than A's?

A. 16.67%

B. 15%

C. 20%

D. 18%

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Correct Answer: Option A

Explanation:
B less % = (20/120)×100 = 16.67%.

This question belongs to: Maths Percentage

Question #2

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40% of a number exceeds 25% of the same number by 30. What is 75% of the number?

A. 150

B. 170

C. 160

D. 180

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Correct Answer: Option A

Explanation:
0.4x - 0.25x = 0.15x = 30 → x = 200. 75% of 200 = 150.

This question belongs to: Maths Percentage

Question #3

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Candidate A got 60% valid votes, defeated B by 3000 votes. 25% invalid. Total votes:

A. 17500

B. 15000

C. 22500

D. 20000

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Correct Answer: Option D

Explanation:
Valid V, margin 0.2V=3000 → V=15000. Total T, 0.75T=15000 → T=20000.

This question belongs to: Maths Percentage

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