Question

29. If 6 boys can complete a work in 20 days, how many days will be required by 8 boys to finish the same work? ​

Answer 1

Answer:

15 days

Step-by-step explanation:

6×20=120

8×x=120

x=120/8=15

solved by inverse proportion method

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Answer 2

Clearly this is an inverse proportion because, if the number of boys increases then the days will decrease.
let’s say that it will take x days for 8 men to finish the work.
Therefore- 6*20 = 8x
120 = 8x
x = 120/8
x = 15
Hence, it will take 15 days