A constructor estimates that 5 people can repair Mr Rohan's house in 6 days. If he uses 6 people instead of 5,how long will they take to complete the job?  Choose the correct choice from the following:
A) 2  B) 8  C) 1  D) 3  E) 5

Rationale: explanation : use formula for a work members ã — days = constant 5 ã — 6 = 6 ã — a a = 5 so answer is 3 days answer : e
Answer: E