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. 15:14

B. 9:10

C. 14:15

D. 10:9

Answer: Option A

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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In a class consisting of 60 students and 5 teachers, each student receives sweets equal to 20% of the total number of students, and each teacher receives sweets equal to 30% of the total number of students. How many sweets were distributed in total?

A. 780

B. 900

C. 810

D. 840

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Correct Answer: Option C

Explanation:
Sweets per student = 20% of 60 = 12. Sweets per teacher = 30% of 60 = 18. Total sweets = (60 * 12) + (5 * 18) = 720 + 90 = 810.

This question belongs to: Maths Percentage

Question #2

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3/8 expressed as percent is:

A. 30%

B. 37.5%

C. 33.5%

D. 35%

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Correct Answer: Option B

Explanation:
(3/8)×100 = 37.5%.

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Question #3

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A's salary 20% less than B's. By what % must A's salary be raised to equal B's?

A. 30%

B. 25%

C. 22.5%

D. 20%

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Correct Answer: Option B

Explanation:
A=80, B=100. Increase needed = (20/80)×100 = 25%.

This question belongs to: Maths Percentage

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