Question

30 men complete work in 40 days.In the some men left.Remain complete in another 40 days.Then how many person left?

Answer 1

Answer:

Step-by-step explanation:

M1 = 30

D1 = 40

M2 = ?

ATQ,

Remaining work is done in another 40 days = 40+40 = 80 days.

M1*D1 = M2*D2

=> 30*40 = M2*80

=> 120/80 = M2

=> 15 = M2

Thus, men left = 30-15 = 15