11
Q:
A) 36 | B) 40 |
C) 42 | D) 38 |
Answer: B) 40
Explanation:
Explanation:
Remaining work = 1 - 9/10 = 1/10
=> A & B together completes 1/10 of work in 4 days
=> 1 work can completed in ------ ? days
Let it be x days
=>
=> x = 40 days.
Hence, A & B together can complete the work in 40 days.