In an election, 25% of the votes were invalid. The winner got 56% of the valid votes and defeated the other candidate by 1800 votes. What was the total number of votes? MCQ with Answer and Explanation

Question

In an election, 25% of the votes were invalid. The winner got 56% of the valid votes and defeated the other candidate by 1800 votes. What was the total number of votes?

A. 18000

B. 15000

C. 20000

D. 22000

Answer: Option C

Solution (By JKSSB Mock Tests)

Valid votes V = 0.75T. Winner = 0.56V, loser = 0.44V, margin = 0.12V = 1800 → V=15000 → T=20000.

This question belongs to: Maths Percentage

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Question #1

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Length of rectangle increased by 10%, breadth decreased by 10%. Percentage change in area:

A. No change

B. 1% increase

C. 2% decrease

D. 1% decrease

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Correct Answer: Option D

Explanation:
1.1 × 0.9 = 0.99, 1% decrease.

This question belongs to: Maths Percentage

Question #2

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A sum of money at simple interest amounts to Rs. 920 in 3 years and to Rs. 1040 in 5 years. Find the principal.

A. Rs. 740

B. Rs. 760

C. Rs. 700

D. Rs. 720

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Correct Answer: Option A

Explanation:
SI for 2 years = 1040-920 = 120, SI per year = 60. For 3 years, SI = 180, principal = 920-180 = 740.

This question belongs to: Maths Percentage

Question #3

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A trader sells an article at a profit of 20%. Had he bought it at 10% less and sold it for Rs. 30 more, he would have gained 40%. Find the cost price.

A. Rs. 700

B. Rs. 600

C. Rs. 400

D. Rs. 500

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Correct Answer: Option D

Explanation:
CP=x, SP=1.2x. New CP=0.9x, new SP=1.2x+30. Profit 40% on new CP → 1.2x+30 = 1.4×0.9x = 1.26x → 30 = 0.06x → x=500.

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