The difference between two numbers is 50. If 40% of the larger number is equal to 60% of the smaller number, find the sum of the two numbers. MCQ with Answer and Explanation

The difference between two numbers is 50. If 40% of the larger number is equal to 60% of the smaller number, find the sum of the two numbers.

A. 250

B. 225

C. 275

D. 200

Answer: Option A

0.4L = 0.6S → L/S = 3/2 → L = 3k, S = 2k. L - S = k = 50 → k=50. L=150, S=100, sum = 250.

This question belongs to: Maths Percentage

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Question #1 Report Error

A's income is 25% more than B's, and B's income is 20% less than C's. What percent is A's income of C's?

A. 105%

B. 95%

C. 90%

D. 100%

Correct Answer: Option D

Explanation:
Let C=100, B=80, A=80×1.25=100. A is 100% of C.

This question belongs to: Maths Percentage

Question #2 Report Error

A number increased by 15% is 138. The number is:

A. 115

B. 120

C. 110

D. 125

Correct Answer: Option B

Explanation:
1.15x = 138 → x = 120.

This question belongs to: Maths Percentage

Question #3 Report Error

To pass need 33%. Student gets 33 marks, fails by 33. Max marks:

A. 200

B. 180

C. 210

D. 190

Correct Answer: Option A

Explanation:
Pass = 66, 33% M = 66 → M = 200.

This question belongs to: Maths Percentage