Question

1. * 1000 is invested at 5% per annum simple interest.
If the interest is added to the principal after every
10 years, the amount will become 2000 after
(S.S.C., 2007)
(a) 15 years
(b) 16 years
2
3
(c) 18 years
(d) 20 years​

Answer 1

Answer:

(b) 16 2/3 years

Here we dived 1500 from 2000 because after 10 years we have 1500 total. so. if we would add 500 in last then as SI in principle 1500 we will have toat of 2000