Question

Please solve this ques.?

Answer 1

Here is your answer

Let's take the time taken by both of them as x Hours

So according to given condition

1/4 + 1/6 = 1/X
6/24 + 4/24
10/24 = 1/X
10x = 24
X = 24/ 10
X = 2.4 Hours

Hence the final answer . 2.4 hours