Question

.l. - r = Amount
(d) none of these
B. 1. Find the compound interest on 800 at 5% per annum for 2 years.
2. Find the compound interest when principal = 2000, rate = 20% per annum and time = 2 years
3 months.​

Answer 1

Answer:

A)-CI=Amount-pricipal

we are not having amount so first we take out amount

amount =p(1+R/100)n

800(1+5/100)2

now we take LCM

800(100+5/100)2

800(105/100)2

800(105/100)(105/100)

we cut 100zero's to 800zero's

8×105×105/100

88200/100

=882

882 is ans