Question

9. How much time will it take for a sum of Rs 400 to yield Rs 80 as interest at 4%?

Answer 1

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➺ Simple Interest=P×R×T

Simple Interest=P×R×T➺ Rs. 80 = 400×4×T÷100

➺T= 80×100÷400×4

➺T= 8000÷1600

➺T=5 Years

➺Hence,5 years will take for a sum of rs.400 to yield rs.80 as interest at 4%.

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Answer 2

Answer:

Simple Interest=P×R×T

Simple Interest=P×R×T➺ Rs. 80 = 400×4×T÷100

➺T= 80×100÷400×4

➺T= 8000÷1600

➺T=5 Years

➺Hence,5 years will take for a sum of rs.400 to yield rs.80 as interest at 4%.