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. 9000

B. 10000

C. 12000

D. 11000

Answer: Option B

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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Question #1

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To pass need 45%. A student gets 54 marks and fails by 36. Max marks:

A. 220

B. 250

C. 180

D. 200

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Correct Answer: Option D

Explanation:
Pass = 90, 45% M = 90 → M = 200.

This question belongs to: Maths Percentage

Question #2

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What is 30% of 400 minus 15% of 200?

A. 70

B. 100

C. 90

D. 80

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Correct Answer: Option C

Explanation:
30% of 400 = 120, 15% of 200 = 30, difference = 90.

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Question #3

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1/8 as percentage is:

A. 12%

B. 12.5%

C. 15%

D. 10%

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Correct Answer: Option B

Explanation:
(1/8)×100 = 12.5%.

This question belongs to: Maths Percentage

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