Question

A, B, C can separately do a piece of work in 8,10 and 12 days respectively. In what time can they together do it​

Answer 1

Step-by-step explanation:

solve:.8+10+12/3

=30/3

=10 ans

Answer 2

3.2

Step-by-step explanation:

lcm of 8,10,12=120

120/8=15,120/10=12,120/12=10

15+10+12=37 unit of work complete in one day

120/37=3.2 approx