175% of 80 is: MCQ with Answer and Explanation

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175% of 80 is:

A. 150

B. 120

C. 140

D. 130

Answer: Option C

Solution (By JKSSB Mock Tests)

1.75 × 80 = 140.

This question belongs to: Maths Percentage

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Question #1

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Two numbers are 20% and 30% more than a third. Ratio of the two numbers:

A. 12:13

B. 11:12

C. 10:11

D. 13:14

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Correct Answer: Option A

Explanation:
Third=100, first=120, second=130, ratio 120:130 = 12:13.

This question belongs to: Maths Percentage

Question #2

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Price of a commodity falls by 20%. To keep expenditure constant, consumption must increase by:

A. 25%

B. 30%

C. 15%

D. 20%

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Correct Answer: Option A

Explanation:
New price 0.8, consumption multiplier needed = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

Question #3

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The price of an article is increased by r% and then decreased by r%. If the net decrease is 1%, find r.

A. 10

B. 5

C. 8

D. 12

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Correct Answer: Option A

Explanation:
1 - r²/10000 = 0.99 → r² = 100 → r = 10.

This question belongs to: Maths Percentage

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