A piece of work can be done by 70 labors in 30 days. How many labours should work daily to complete the work in 12 days?
A
142
B
150
C
175
D
182
Correct Answer: 175
30 দিনে করতে পারে 70 জনে 1 " " " 70 × 30 জনে 12 " " " 70×3012 জনে = 175 জনে