Question

Rs 3380 for 30 months at 9/2% p.a.find simple interest

Answer 1

Principal = Rs. 3380

Time = 30 months = 2 years and half months

= 2whole 1/2= 5/2 years  

Rate of interest = 9/2 %

S.I = (P X R X T) / 100

= (3380 X 9/2 X 5/2) / 100

= (3380 X 45/4) / 100

= (845 X 45) / 100

= (169 X 9 ) /4

= 1521/4

=380.25

HENCE (simple Interest)  

S.I = Rs. 380.25

Answer 2

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