1)

A and B can complete a certain task in 24 days and 40 days, respectively. They worked together for 8 days. C completed the remaining task in 14 days. Working together, A and C will complete 75% of the same work in:

SSC CHSL 2021

A)

9 days

B)

15 days

C)

12 days

D)

10 days

2)

Varun and Syan can do a work in 3 days. Syan and Anil can do it in 4 days, and Anil and Varun can do it in 6 days. How many days will Anil alone take to do the work?

SSC CHSL 2021

A)

22

B)

18

C)

20

D)

24

3)

Working together, A, B and C can finish a piece of work in 3 hours. A finishes the same work in 8 hours and B finishes it in 6 hours. How long will it take for C alone to finish the same work?

SSC CHSL 2021

A)

15 hours

B)

12 hours

C)

24 hours

D)

18 hours

4)

A and B can complete a certain work in 6 days and 8 days, respectively. They worked together for 3 days. C alone completed the remaining work in 2 days. B and C together can complete  \(\frac{3}{4}\) of the same work in:

SSC CHSL 2021

A)

6 days

B)

4 days

C)

3 days

D)

2 days

5)

A and B complete a work in 80 days and 96 days, respectively. They completed the work in 32 days with the help of C, How many days will C take to complete the entire work alone?

SSC CHSL 2021

A)

84

B)

108

C)

120

D)

92

6)

A can do a work in \( 7 \frac{1}{2} \) hours and B can do the same work in \( 10 \frac{1}{2} \) hours. If they work together for \(3 \frac{1}{2}\) hours, then what part of the work will be left out?

SSC CHSL 2021

A)

1/5

B)

2/5

C)

4/5

D)

3/5

7)

24 persons can do a piece of work in 20 days. In how many days can 30 persons do the same work?

SSC CHSL 2021

A)

18

B)

16

C)

14

D)

12

8)

A can complete a piece of work in 7 days and B can complete the same work in 12 days. A and B worked together for 3 days. C alone completed the remaining work in 9 days will C take to complete the same work entirely?

SSC CHSL 2021

A)

21

B)

35

C)

28

D)

14

9)

X and Y together can do a work in \(2 \frac{2}{5}\) days, Y and Z together can do the same work in 3 days, and X and Z together can do the same work in 4 days. The time taken by X, Y and Z together to do the same work is:

SSC CHSL 2021

A)

\(\frac{1}{2} \) day

B)

1 day

C)

2 days

D)

\(2 \frac{1}{2}\) days

10)

P can complete five-eighths of a work in 15 days and Q can complete three-fourths of the same work in 30 days. They worked together for 8 days and then P left. How much time will Q working alone, take to complete the remaining work?

SSC CHSL 2021

A)

15 day 8 hours

B)

15 days 16 hours

C)

18 days 16 hours

D)

20 day 4 hours