20% reduction in sugar price lets a person buy 5 kg more for Rs. 100. Reduced price per kg: MCQ with Answer and Explanation

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20% reduction in sugar price lets a person buy 5 kg more for Rs. 100. Reduced price per kg:

A. Rs. 4

B. Rs. 5

C. Rs. 6

D. Rs. 3

Answer: Option A

Solution (By JKSSB Mock Tests)

Original price x, consumption y, xy=100. New 0.8x(y+5)=100 → 0.8×100 + 4x =100 → x=5, reduced price=Rs.4.

This question belongs to: Maths Percentage

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Question #1

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A's salary increased by 25% then decreased by 25%. Original salary 8000, final salary:

A. 7800

B. 7400

C. 7500

D. 7200

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Correct Answer: Option C

Explanation:
8000 × 1.25 × 0.75 = 8000 × 0.9375 = 7500.

This question belongs to: Maths Percentage

Question #2

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If A is 25% more than B, then B is what percentage less than A?

A. 15%

B. 25%

C. 30%

D. 20%

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Correct Answer: Option D

Explanation:
Formula: (R / (100 + R)) * 100. Here R = 25. (25 / 125) * 100 = (1 / 5) * 100 = 20%.

This question belongs to: Maths Percentage

Question #3

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In an election, candidate A got 55% votes and B got the rest. If total votes were 2000, how many votes did B get?

A. 800

B. 900

C. 1000

D. 1100

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Correct Answer: Option B

Explanation:
B got (100% - 55%) = 45% of 2000 = 900 votes.

This question belongs to: Maths Percentage

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