3. Javed deposited 12000 rupees at 9 p.c.p.a. in a bank for some years

1.	3. Javed deposited 12000 rupees at 9 p.c.p.a. in a bank for some years, and withdrew hisinterest every year. At the end of the period, he had received altogether 17,400 rupees.For how many years had he deposited his money ?
Answer» At the end of the period Javed got 17400. This means he got 12000 which he had deposited and 5400 extra as interest. Now t he had deposited the money at simple Interest. So his Interest came to be 5400. According to your question, every year he gets 9 % of the principle as Interest. 9 % means he is getting 1080 Rs every year. So if he is getting 1080 Rs every year, Then in how many years will he get 5400 Rs ? Let's just divide 5400 by 1080 . 5400÷1080 = 5 years

3. Javed deposited 12000 rupees at 9 p.c.p.a. in a bank for some years, and withdrew hisinterest every year. At the end of the period, he had received altogether 17,400 rupees.For how many years had he deposited his money ?

Answer»

At the end of the period Javed got 17400. This means he got 12000 which he had deposited and 5400 extra as interest.

Now t he had deposited the money at simple Interest.

So his Interest came to be 5400.

According to your question, every year he gets 9 % of the principle as Interest. 9 % means he is getting 1080 Rs every year.

So if he is getting 1080 Rs every year, Then in how many years will he get 5400 Rs ?

Let's just divide 5400 by 1080 .

5400÷1080 = 5 years