Question

15. A and B together take 5 days to do a work. B
and C take 7 days to do the same and A and C
take 4 days to do it. Who among these will take
the least time, if put to do it alone?
(a) A
(b) B
(c) C
(d) data is not adequate​

Answer 1

Correct Answer is (a) A