Question

21 mens can dig a tunnel of 2Km in 8 days .How many men are needed to dig 4 Km in 7 days.

Answer 1

hello mate your answer is

21 men dig 2 km in 8 days so they will dig 4 km in 16 days now,

16 days taken by 21 men 1 day =21*16

for 7days =21*16/7=48men

plz mark brainliest

Answer 2

the answer is 48 men..........