Question

12 men working 8 hours a day can build a wall in 20 days im how many days will 20 men will build same wall working 6 hours a day mcq

Answer 1

Step-by-step explanation:

M(1) * T(1) / D(1) = M(2) * T(2) / D(2)

12 * 8 / 20 = 20 * 6 /X

20 / 12 * 8 = X / 20 * 6

X = 20 * 20 * 6 / 12 * 8

X = 25 दिन