Question

(A) Antu and Mantu can finish a work in 10 days, Mantu
and Pintu can finish in 15 days and Antu and Pintu
can do it in 20 days. In what time can A alone do it ?


(a) 15 days
(b) 17 days
@ 120 days
(d) 8 days​

Answer 1

I think A alone do it in 15 days