Jaidev takes minutes to walk across the school ground. Rahul takes minutes to do the same. Who takes less time and by what fraction?

It is given in the question that,

Time taken by Jaidev = 2 minutes = minutes

Time taken by Rahul = minutes

Now, by converting these into like fractions we get:

= × =

Also,

= × =

Therefore,

>

>

Hence, Rahul takes lesser time

Difference = –

= –

= min