If the numerator of a fraction is increased by 50% and denominator decreased by 25%, the fraction becomes 3/2. Original fraction: MCQ with Answer and Explanation

If the numerator of a fraction is increased by 50% and denominator decreased by 25%, the fraction becomes 3/2. Original fraction:

A. 5/8

B. 3/4

C. 7/8

D. 4/5

Answer: Option B

(1.5a)/(0.75b) = 2a/b = 3/2 → a/b = 3/4.

This question belongs to: Maths Percentage

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Question #1 Report Error

Two numbers are respectively 20% and 50% more than a third number. What is the ratio of the first two numbers?

A. 5:6

B. 3:5

C. 2:5

D. 4:5

Correct Answer: Option D

Explanation:
Let the third number be 100. First number = 120. Second number = 150. Ratio = 120:150 = 4:5.

This question belongs to: Maths Percentage

Question #2 Report Error

If a number is increased by 20%, it becomes 120. What is the number?

A. 80

B. 100

C. 140

D. 120

Correct Answer: Option B

Explanation:
Let the number be x. x * 1.20 = 120. x = 120 / 1.20 = 100.

This question belongs to: Maths Percentage

Question #3 Report Error

The price of a car depreciates at a rate of 15% per year. If its present value is Rs. 2,16,750, what was its value 2 years ago?

A. Rs. 2,80,000

B. Rs. 3,20,000

C. Rs. 3,00,000

D. Rs. 3,50,000

Correct Answer: Option C

Explanation:
Value 2 yrs ago = 216750 / (0.85×0.85) = 216750/0.7225 = 300000.

This question belongs to: Maths Percentage