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Question

Mathematics Question on Arithmetic Progression

A flower vase costs 36,000. With an annual depreciation of 2,000, its cost will be 6,000 in how many years?

A

10

B

15

C

17

D

6

Answer

15

Explanation

Solution

This problem involves linear depreciation. The vase’s value decreases by Rs.2,000 each year.

The formula for the number of years needed to reach a specific value is:

Number of Years = Initial Value - Final ValueAnnual Depreciation\frac{\text{Initial Value - Final Value}}{\text{Annual Depreciation}}.

Given:

Initial Value = Rs. 36,000,
Final Value = Rs. 6,000,
Annual Depreciation = Rs. 2,000.

Substitute into the formula:

Number of Years = Rs. 36,000 - Rs. 6,000Rs. 2,000=Rs. 30,000Rs. 2,000=15\frac{\text{Rs. 36,000 - Rs. 6,000}}{\text{Rs. 2,000}} = \frac{\text{Rs. 30,000}}{\text{Rs. 2,000}} = 15 years.

Thus, it will take 15 years for the value of the vase to reduce to Rs.6,000.