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Find the interest under simple interest for principal of Rs. 300 at an interest of 3.75% per annum from March 5 to July 29.

A.	Rs. 28.125	B.	Rs. 4.5
C.	Rs. 11.25	D.	Rs. 4.25

Answer and Explanation

Answer:Rs. 4.5

Explanation:
Total number of days:
March April May June July
(31 – 5) 30 31 30 29
Time (T) = 26 + 30 + 31 + 30 + 29 = 146 days = 146 / 365 years
= 2 / 5 years
I = PRT/100 = 300/100 × 15/4 × 2/5 = 9/2 = 4.5 years

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