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:

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?

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?

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?

SSC CHSL 2021

A)

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

B)

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

C)

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

D)

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