The present value of a machine is 7,290. If it depreciates by 10% yearly, what was its value 3 years ago? MCQ with Answer and Explanation

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The present value of a machine is 7,290. If it depreciates by 10% yearly, what was its value 3 years ago?

A. 12000

B. 9000

C. 10000

D. 11000

Answer: Option C

Solution (By JKSSB Mock Tests)

V_past = 7290 / (0.90)^3 = 7290 / 0.729 = 10000.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

If 25% of A = 35% of B = 70, then A + B = ?

A. 420

B. 380

C. 460

D. 480

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Correct Answer: Option D

Explanation:
A = 70/0.25 = 280, B = 70/0.35 = 200, sum = 480.

This question belongs to: Maths Percentage

Question #2

A man spends 70% of his income. If he saves Rs. 3000, what is his total income?

A. 10000

B. 8000

C. 12000

D. 9000

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Correct Answer: Option A

Explanation:
Savings = 100% - 70% = 30%. 30% of Income = 3000. Income = 3000 * (100 / 30) = 10000.

This question belongs to: Maths Percentage

Question #3

A's marks are 20% more than B's and B's marks are 20% less than C's. If A got 120 marks, C's marks are:

A. 100

B. 120

C. 110

D. 125

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Correct Answer: Option D

Explanation:
A=1.2B → B=120/1.2=100. B=0.8C → C=100/0.8=125.

This question belongs to: Maths Percentage

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