Question
What is the Simple Interest earned on Rs.2400 in 4 years
6 months at the rate of 4.5% per annum?Solution
P = Rs. 2400,  r = 4.5% and t = 4 years 6 month = (4 + 1/2) = 9/2 year As we know, SI=P × r × t/100 SI = (2400 x 4.5 x 9)/ (100 × 2)  SI = 486 Rs.
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