30 labourers can built a wall in 9 days. If the same wall is to be built by 20 labourers how many days they will take to complete it?

30 labourers can built a wall in 9 days. If the same wall is to be built by 20 labourers how many days they will take to complete it?

A) 14

B) 13 1/2

C) 16

D) 19 1/2

Monjur Alahi

7 views

2025-01-04 04:42

0 Answers

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