Shammi borrowed Rs 450 from Raju . Ager two years he cleared tha account by paying Rs 549 to Raju . find the rate or interest
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✰✰|| Given ||✰✰
Principal = 450
Amount = 549
Time = 2 year
✰✰|| To Find ||✰✰
- simple interest
- rate of interest
✪|| Solution ||✪
Amount = principal + interest
549 = 450 + interest
549 - 450 = interest
99 = interest
Let, the rate be x
Simple interest = PTR /100
99 = 450 × 2 × X/100
99 = 900x/100
99 = 9x
99/9 = x
11 = x
Rate = x
= 11
Rate is 11 and interest is 99
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