Question

dev can finish a piece of work in 8 days and raj can do it in 12 days.if both of them work as it together, how much time will they take to finish it? lesson name is problems on time and work aswer is 4 4/5 days in step by step answer

Answer 1

Take lcm of 8 12 =24
Total work =24
So capacity of dev =24/8=3
Capacity of raj 24/12=2
So time take to complete the work
24/5=4 *4/5