Question

A certain sum amounts to 6352.50 in 2.5 years
at 10% p.a. compound interest, interest
compounded yearly. What will be the simple
interest on the same sum for double the time at
the same rate of interest?
(a) 2400
(b) 2480
(c) 2500
(d) 2560​

Answer 1

Answer:

2560

Step-by-step explanation:

take the interest as x and put the formula

$x(1 + 10 \div 100)}^5 = 6352.50$

After finding x put the SI with 5 years with interest per half year.

$x \times 10 \div 100 \times 10 + x$

and you will have ur answer

that means.