Question

A new road is being constructed in Vellimala panchayat. During the first week, of the work was done and during the second week. What part of the work was finished by the end of second week? The whole work was finished by the end of third week. What part was done during the third week?

Answer 1

Part of the work done in the first week =

Part of the work done in the second week =

∴ Part of the work finished at the end of the second week =

First, we change these fractions to fractions with the same denominator.

Thus, the denominator required should be a multiple of 4 and 5 = 4 × 5 = 20.

and

∴

∴ Part of the work finished at the end of the second week =

Whole work = 1 =

If we add part of the work to the part of the work done in two weeks, i.e., we get:

∴ Part of the work done in the third week =