Time and Work Practice Test 5 with solutions

Total days taken by Nupur to do the work = 2 × 7 = 14 days
Work done by Nupur in one day =

1

14

Let work done by Nupur’s mother in one day =

1

x

Number of days taken by both to do the work in
= 6×

7

6

= 7 days
So, work done by both in one day =

1

7

So,

1

x

+

1

14

=

1

7

1

x

=

1

7

−

1

14

1

x

=

2−1

14

=

1

14

So, mother alone can finish the work in 14 days.