The second computer completes the search in 120 seconds.
<u>SOLUTION:
</u>
Given, two computers working together can finish a search in 40 seconds. One of these computers can finish in 60 seconds.
So, work done by this computer in 1 second [considering work as 1 unit
]
We have to find the time taken for the second computer to finish the same search.
Let the time taken by second computer be n seconds, then work done in 1 second
So, now, together in 1 second their work will be
We are given that, it took 40 seconds to complete whole search,