Question

The compound interest and simple interest Rs. 200 isiwo years be Rs. 42 and 40 respectively
ther the rate of interest wil be-
(a) 5%
(b) 10%
(c) 15%
(d) 20%
plzzz step by step explain​

Answer 1

Answer:

Given, Amount = Rs. 220, Principle = Rs. 200, Time =1 year

1 year simple interest and compound interest are equal.

So Interest =220−200= Rs. 20

S.I. =100PRT

R=P×TS.I. ×100

R=200×120×100

R=10%

so the ans is 10 ;)

Answer 2

Step-by-step explanation:

R=200×120×100

R=10%

ans is 10..