A man spends 60% of his salary and saves Rs. 8000. His salary is: MCQ with Answer and Explanation

A man spends 60% of his salary and saves Rs. 8000. His salary is:

A. 15000

B. 20000

C. 22000

D. 18000

Answer: Option B

Savings = 40% = 8000 → salary = 8000/0.4 = 20000.

This question belongs to: Maths Percentage

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Question #1 Report Error

A student scored 30% marks and failed by 30 marks. Another scored 42% marks and got 30 marks more than passing. Pass marks are:

A. 200

B. 180

C. 150

D. 160

Correct Answer: Option B

Explanation:
Let max M. 0.3M + 30 = 0.42M - 30 → 0.12M = 60 → M = 500. Pass = 0.3×500 + 30 = 180.

This question belongs to: Maths Percentage

Question #2 Report Error

Population 15000, first year +10%, second year -10%. Population after 2 years:

A. 14900

B. 15100

C. 15000

D. 14850

Correct Answer: Option D

Explanation:
15000×1.1×0.9 = 14850.

This question belongs to: Maths Percentage

Question #3 Report Error

80 L mixture, milk:water 3:1. To make 1:1, water added:

A. 20 L

B. 50 L

C. 40 L

D. 30 L

Correct Answer: Option C

Explanation:
Milk=60 L, water=20 L. For 1:1, water=60 L, add 40 L.

This question belongs to: Maths Percentage