T = 2 years
1. Calculate the amount and the simple interest using the formula
(a) P=400
R = 5% p.a
(b) P=625
R = 4% p.a
T= 3 years
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Step-by-step explanation:
a) P=400 , R= 5%p.a., T= 2years
Simple Interest = P*R*T/100
= 400*5*2/100
= Rs. 40
Amount = P+S.I
= Rs. (400+40)
=Rs. 440
b) P=625 ,R= 4%p.a. , T=3years
Simple Interest = P*R*T/100
= 625*4*3/100
= Rs. 75
Amount =P+S.I
= Rs.(625+75)
=Rs. 700
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