A number divided by 4, quotient increased by 25% then decreased by 20% gives 150. Number: MCQ with Answer and Explanation

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A number divided by 4, quotient increased by 25% then decreased by 20% gives 150. Number:

A. 640

B. 560

C. 540

D. 600

Answer: Option D

Solution (By JKSSB Mock Tests)

(N/4)×1.25×0.8 = (N/4)×1 = 150 → N/4=150 → N=600.

This question belongs to: Maths Percentage

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Question #1

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Number increased by 20%. By what % should new number be decreased to get original?

A. 16.67%

B. 15%

C. 20%

D. 18%

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Correct Answer: Option A

Explanation:
Original 100, new 120. Decrease % = (20/120)×100 = 16.67%.

This question belongs to: Maths Percentage

Question #2

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In an election between two candidates, the winner got 60% of the votes and won by a majority of 400 votes. What was the total number of votes cast?

A. 2500

B. 1000

C. 1500

D. 2000

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Correct Answer: Option D

Explanation:
Winner = 60%, Loser = 40%. Difference = 20%. 20% of Total = 400. Total = 400 * (100 / 20) = 2000.

This question belongs to: Maths Percentage

Question #3

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Sold watch at 5% loss. If sold for Rs. 27 more, gain 7%. Cost price:

A. 210

B. 225

C. 200

D. 240

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Correct Answer: Option B

Explanation:
CP=x, SP=0.95x. 0.95x+27=1.07x → 0.12x=27 → x=225.

This question belongs to: Maths Percentage

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