# Approach to Solve Depreciation Rate Based Questions

## Trending Questions

**Q.**Sameera spent 90% of her income and donated 3% for socially useful causes. If she left with Rs. 1750 at the end of the month, what was her actual income ?

**Q.**

Calculate the compound interest accrued on Rs. 6, 000 in 3 years, compounded yearly, if the rates for the successive years are 5%, 8% and 10% respectively.

**Q.**

The value of machinery is Rs.20000. The value is depreciating by 10% every year. What will be the value of the machinery after 3 years?

Rs. 16580

Rs. 14500

Rs. 14580

Rs. 15580

**Q.**The price of a car depreciates every year by 10%. What was its value 3 years ago, if its present value is Rs 36, 450?

- Rs 45, 000
- Rs 49, 500
- Rs 55, 000
- Rs 50, 000

**Q.**How 5%=1.05

**Q.**Total income of Ramesh, Suresh and Preeti is 8, 07, 000 rupees. The percentages of their expenses are 75%, 80% and 90% respectively. If the ratio of their savings is 16 : 17 : 12, then find the annual saving of each of them.

**Q.**

The population of a town was 160000 three years ago. If it had increased by 3%, 2.5% & 5% in the last 3 years, find the present population of the town.

170000

277366

200000

177366

**Q.**

A machine was purchased 2 years ago. Its value decreases by 10 % every year. Its present value is ₹ 97200. Find the purchase price of the machine

₹ 90, 000

₹ 1, 10, 000

₹ 1, 20, 000

1, 00, 000

**Q.**

Mr. Tiwari receives Rs 6455 at the end of one year at the rate of 14% per annum in a recurring deposit account. What is his monthly installment?

Rs 400

Rs 700

Rs 800

Rs 500

**Q.**The present population of a town is 20, 0000 it's population increases by 10% in the first year and 15% in second year find the population of the town at the end of the two years .

I have solved this question my answer is 253000 but in the book the answer is 25300.

Kindly solve this query.

**Q.**

The value of a property decrease every year at the rate of 5% . if the present value is ₹411540 what was its value 3 years ago

**Q.**

The population of a town is 50, 000. It decreases by 50 per thousand per year. Find out the population after 2 years.

45000

42125

45125

42000

**Q.**Mr Gupta opened a recurring deposit account in a bank. He deposited Rs 2500 per month for month for two years. At the time of maturity, he got Rs 67, 500.

Find :(i) The total interest earned by Mr Gupta.

(ii) The rate of interest per annum

[4 MARKS]

**Q.**

Calculate the amount, if Rs. 15, 000 is lent at convound interest for 2 years and the rates for the successive years are 8% p.a. and 10% p.a. respectively.

**Q.**

The difference in SI and CI on a certain sum of money in 2 years at 15% p.a. is Rs. 144. The sum is :

Rs. 7000

Rs. 6000

Rs. 6500

Rs. 6400

**Q.**

Question 39

The loss per cent on selling 140 geometry boxes at the loss of SP of 10 geometry boxes is equal to

**Q.**

increasing a number by 100% is the same as

A) MULTIPLYING IT TO THE NUMBER ITSELF

B) MULTIPLYING THE NUMBER BY 2

C) ADDING 2 TO THE NUMBER

D) ADDING 100 TO THE NUMBER

**Q.**

Mr Britto deposits a certain sum of money each month in a Recurring Deposit Account of a bank. If the rate of interest is 8% per annum and Mr Britto gets Rs. 8, 088 from the bank after 3 years, find the value of his monthly installment.

- Rs 200
- Rs 100
- Rs 350
- Rs 500

**Q.**

Find the percent increase in the area of a triangle if its each side is doubled

**Q.**

If 40 bags of cotton costs Rs.2200 then how much would 25 bags of cotton cost?

Rs 2183

Rs 2173

Rs 3173

Rs 3183

**Q.**The cost of a machine depreciates by 10% every year. If its present worth is Rs. 18, 000 then what will be its value after three years?

**Q.**The value of a machine depreciated by 10% per year during the first two years and 15% per year during the third year. Express the total depreciation of the machine, as percent, during the three years (Solve without using compound interest formula).

**Q.**

The value of machinery is Rs.10000. The value is depreciating by 15% every year. What will be the value of the machinery after 2 years?

5225

9225

8225

7225

**Q.**By mistake instead of dividing Rs. 117 among A, B and C into the ratio 12:13:14 , it was divided in the ratio of 2:3:4 . Who gains the most and by how much?

- B, Rs.3
- C, Rs.25
- C, Rs.20
- A, Rs.28

**Q.**

If the sides of a TRIANGLE are doubled find the percent increase in area

**Q.**

A man sold two watches for Rs 3750 each. On one he gained 5%, and on the other, he lost 5%. What was his total gain or loss percentage?

0.25%

12%

14%

Insufficient data

**Q.**

A man spends 80% of his income. His income increased by 25% and his expenditure increased by

10%. By how much did his savings increase?

**Q.**A person sells 36 oranges per Re 1 and makes a loss of 4%. Find how many oranges per Re to be sold to have a gain of 8%?

- 132

- 5

- 116

- 116
- None of these

**Q.**

The value of machinery is Rs.10000. The value is depreciating by 15% every year. What will be the value of the machinery after 2 years?

8225

7225

9225

5225

**Q.**

Find the percentage increse in the area of a triangle if its each side is doubled.PLEASE GIVE SIMPLE EXPLANATION AND HOW IT CAME IN BRACKET.