Q: 50 men can build a tank in 40days, but though they begin the work t – McqOptions

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1.	Q: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ?
A.	50 days
B.	48 days
C.	47.5 days
D.	49 days
Answer» B. 48 days

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