If 50% of a number is added to another, second becomes 140% of itself. Ratio of first to second: MCQ with Answer and Explanation

Question

Share Report Error

If 50% of a number is added to another, second becomes 140% of itself. Ratio of first to second:

A. 2:5

B. 3:5

C. 5:4

D. 4:5

Answer: Option D

Solution (By JKSSB Mock Tests)

0.5F + S = 1.4S → 0.5F = 0.4S → F/S = 0.4/0.5 = 4/5.

This question belongs to: Maths Percentage

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Percentage Questions

Question #1

Share Report

A man gave 25% to wife, 20% of remainder to son, 25% of remainder to daughter, rest Rs. 9000 to charity. Total amount:

A. 24000

B. 20000

C. 22000

D. 18000

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Wife 25%, left 75%. Son 20% of 75%=15%, left 60%. Daughter 25% of 60%=15%, left 45% = 9000 → total = 20000.

This question belongs to: Maths Percentage

Question #2

Share Report

If the price of petrol increases by 40%, by what percent must a person reduce consumption so that expenditure increases by only 12%?

A. 22%

B. 15%

C. 20%

D. 18%

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
1.4 × x = 1.12 → x = 0.8, reduction 20%.

This question belongs to: Maths Percentage

Question #3

Share Report

The ratio of the number of boys to girls in a school is 5:3. If 20% of the boys and 25% of the girls are scholarship holders, what percent of the total students do not hold a scholarship?

A. 82.5%

B. 78.125%

C. 80%

D. 78%

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Total = 5k+3k=8k. Scholarship boys=0.2×5k=k, girls=0.25×3k=0.75k, total scholarship=1.75k. Scholarship % = (1.75k/8k)×100 = 21.875%, so without = 78.125%.

This question belongs to: Maths Percentage

Explore All Percentage MCQs