55% of a number is 33 less than 70% of the same number. The number is: MCQ with Answer and Explanation

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55% of a number is 33 less than 70% of the same number. The number is:

A. 240

B. 200

C. 180

D. 220

Answer: Option D

Solution (By JKSSB Mock Tests)

0.7x - 0.55x = 33 → 0.15x = 33 → x = 220.

This question belongs to: Maths Percentage

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Question #1

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Price of sugar increased 30%. Expenditure to rise only 10%. Consumption reduced by:

A. 16.67%

B. 15.38%

C. 18%

D. 14.5%

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Correct Answer: Option B

Explanation:
1.3 × x = 1.1 → x = 1.1/1.3 ≈ 0.84615, reduction 15.38%.

This question belongs to: Maths Percentage

Question #2

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A's salary 15% less than B's. By what % must A's salary be raised to equal B's?

A. 18%

B. 16.67%

C. 17.65%

D. 15%

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Correct Answer: Option C

Explanation:
A=85, B=100. Increase needed = (15/85)×100 ≈ 17.65%.

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Question #3

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25% of A = 40% of B = 1/5 of C. Find A:B:C.

A. 10:8:5

B. 8:5:10

C. 5:8:10

D. 8:10:5

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Correct Answer: Option B

Explanation:
Let 0.25A = 0.4B = 0.2C = k. Then A=4k, B=2.5k, C=5k. Multiply by 2: A:B:C = 8:5:10.

This question belongs to: Maths Percentage

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