A piece of work can finish by a certain number of men in 100 days. If however, there were 10 men less,
it would take 10 days more for the work to be finished. How many men were there originally?	Pick
A) 75	B) 82	C) 100	D) 110	E) 120

Rationale: originally let there be x men . less men , more days ( indirect ) : . ( x - 10 ) : x : : 100 : 110 or x - 10 / x = 100 / 110 or 11 x - 110 = 10 x or x = 110 so , originally there were 110 men . answer : d
Answer: D