31)

A completes 20% of a work in 5 days and B completes one-third of the work in 5 days. They began the work together but B leaves after 3 days. The total number of days needed for completion of the work is:

, Avg: 00:59 , 83%✓ SSC CHSL 2021

A)

18

B)

20

C)

24

D)

30

32)

Varun and Gaurav can dig a pond in 10 days and 18 days, respectively. After finishing that work together, they receive an amount of Rs.7,280. What is the share of Gaurav in that amount?

, Avg: 01:08 , 100%✓ SSC CHSL 2021

A)

Rs. 2,700

B)

Rs. 2,600

C)

Rs. 2,800

D)

Rs. 2,500

33)

A and B can complete a piece of work in 27 days and 54 days, respectively. They completed the work in 9 days with the help of C. How many days will C take to complete eight-ninths of the work alone?

, Avg: 01:01 , 88%✓ SSC CHSL 2021

A)

24

B)

16

C)

30

D)

45

34)

Anu can complete a piece of work in 22 days. Shama is 60% more efficient than Anu. How many days does Shama alone take to complete the same piece of work?

, Avg: 01:02 , 80%✓ SSC CHSL 2021

A)

\(13\frac{3}{4}\)

B)

\(13\frac{1}{5}\)

C)

\(35\frac{1}{3}\)

D)

\(36\frac{2}{3}\)