Question

Raju can do a piece of work in 10 days. Vicky in
12 days and Tinku in 15 days. They all start the
work together, but Raju leaves after 2 days and
Vicky leaves 3 days before the work is completed.
In how many days is the work completed ?
(MAT-2014)
(A) 5 days
(B) 6 days
(C) 7 days
(D) 8 days​

Answer 1

Answer is .........
7 days

Answer 2

Step-by-step explanation:

2/10+x-3/12+x/14=1

LCM of 10,12,15 is 60

12+5x-15+4x=60

9x-3=60

9x=63

x=7