Question

SAMS
82. B can do a piece of work in 6 hours, B and C together can do it in 4 hours, and
A, B and C together in 2 hours. In how many hours can A and B together do
3
2
the same piece of work?
(1) 11 hours
(2) 6
2) 6 7 hours
3
3
(3) 2
hours
(4) 3
hours
7
1
83. X can do
4
of a work in 10 days, Y can do 40% of the work in 4 days and Z​

Answer 1

Answer:

1- 6-= 12 the 2 1-= 23=- 123 09-

Step-by-step explanation: