8. A e B together can do a piece of world in
15 days & ‘A’ alone can do it in 30 days. How
long will s take to compl

Question

8. A e B together can do a piece of world in 15 days & 'A' alone can do it in 30 days. How long will s take to complete the hwork?​

Reagan · Answer

Answer:    30 day    A+B = 15  A = 30  take the LCM of both 15 and 30 = 30  efficiency of A+B = 30/15=2....,....(1)  efficiency of A = 30/30 = 1  efficiency of B = 1 (from putting the value of A in equation 1)    now, day taken by B is = 30/1= 30 day

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8. A e B together can do a piece of world in15 days & ‘A’ alone can do it in 30 days. Howlong will s take to compl