Question

Difference of Compound Interest and Simple Interest for Rs.200 at 20% for

1 year will be Rs. ___

a) 210 b) 190 c) 0 d) 20​

Answer 1

Answer:

P=Rs.20,000

n=2

Let the rate be r

then

SI=

100

P×r×t

SI=

100

20000×r×2

CI=P[(1+

100

r

)

n

−1]

CI=20000[(1+

100

r

)

2

−1]

⟹CI−SI=200

⟹20000[(1+

100

r

)

2

−1−

100

2r

]=200

⟹20000[

10000

r

2

]=200

⟹r=10

Answer 2

Answer:

20 is the answer of this question