Question

find the simple interest rs 5200/- for 3 years at 6¼ per annum

Answer 1

P=5200
R=25/4
T=3
therefore SI=(P*R*T)/100
=975

Answer 2

Hey friend,
principal=5200
rate=6.25
time=3 years

simple interest=ptr/100
$5200 \times 3 \times 6.25 \div 100$
hence interest is 975
I hope ur doubt has been solved