EXERCISE 9A
1. Find the simple interest and amount on:
(i) 500 for 2 years 4 months at 12% per annum;
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Answer:
Rs. 140; Rs. 640.
Step-by-step explanation:
S.I. = PRT/100
= (500x12x7)/(100x3) {2yrs 4 months = 7/3 yrs}
= 5x4x7
= 140
A = P+S.I.
= 500+140
= 640
The simple interest is Rs. 140 and amount is Rs. 640.
Hope this helps :)
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