A group of friends decided to go on a picnic with an estimated expenditure of Rs. 960. But at the last minute four of them did not turn up. As a consequence, the remaining ones had to contribute Rs.…

Question

A group of friends decided to go on a picnic with an estimated expenditure of Rs. 960. But at the last minute four of them did not turn up. As a consequence, the remaining ones had to contribute Rs. 40 each extra. Then the number of friends who went to the picnic is

Testwala · Accepted Answer

8

Testwala · Answer

Explanation: If n friends went, n(n+4)... solving 960/n − 960/(n+4) = 40 gives n = 8 friends who went to the picnic.

A group of friends decided to go on a picnic with an estimated expenditure of Rs. 960. But at the last minute four of them did not turn up. As a consequence, the remaining ones had to contribute Rs. 40 each extra. Then the number of friends who went to the picnic is

Answer: C. 8

Explanation

A group of friends decided to go on a picnic with an estimated expenditure of Rs. 960. But at the last minute four of them did not turn up. As a consequence, the remaining ones had to contribute Rs. 40 each extra. Then the number of friends who went to the picnic is

Answer: C. 8

Explanation