41)

A can complete a certain work in 30 days. He started the work. After 4 days, B joined him and the whole work was completed in 10 days from the beginning. B alone can complete one-third of the same work in:

SSC CHSL 2021

A)

6 days

B)

3 days

C)

2 days

D)

4 days

42)

A can complete a work in 20 days, while B can complete the same work in 25 days. Both worked together for 10 days and then C alone completed the remaining work in 10 days. In how many days will A, B and C together complete the same work?

SSC CHSL 2021

A)

12 days

B)

8 days

C)

5 days

D)

10 days

43)

A can do 60% of a work in 18 days, while B can do 40% of the same work in 10 days. Both work together for 10 days only. C completed the remaining work in 4 days. In how many days will C complete the same work?

SSC CHSL 2021

A)

18

B)

25

C)

15

D)

12

44)

Sachin alone can complete a piece of work for Rs. 8,500 in \(8\frac{1}{2}\) days. But with the help of Vishnu, the work is completed in 6 days. The share to be paid to Vishnu is:

SSC CHSL 2021

A)

Rs. 2,400

B)

Rs. 2,000

C)

Rs. 2,500

D)

Rs. 3,200

45)

Geeta can assemble a toy in 10 minutes, whereas Sudha can assemble the same toy in 15 minutes. If they work together, how much time will they take to assemble 60 toys?

SSC CHSL 2021

A)

7 hours 30 minutes

B)

7 hours

C)

5 hours

D)

6 hours

46)

A can do a piece of work in 12 days. He worked for 6 days and left, and then B finished it in 10 days. If both work together, then in how many days will they finish the same work?

SSC CHSL 2021

A)

7

B)

9

C)

9.5

D)

7.5

47)

Suman and Lata working together can complete a task in 8 days. If Lata can complete the same task in 12 days, then how many days will Suman take to complete the same task?

SSC CHSL 2021

A)

15

B)

24

C)

10

D)

18

48)

40 persons take 6 days to complete a certain task, working 10 hours a day. How many hours a day will be sufficient for 30 persons to complete the same task in 10 days?

SSC CHSL 2021

A)

8

B)

10

C)

9

D)

6

49)

A can complete a task in 6 days, while B can complete the same task in 12 days. How many days will they take to complete the same task if they work together?

SSC CHSL 2021

A)

3

B)

5

C)

\(4\frac{1}{2}\)

D)

4

50)

A can complete one-sixth of a work in 5 days and B can complete one-fourth of the same work in 15 days. In how many days, will both working together complete the work?

SSC CHSL 2021

A)

25 days

B)

20 days

C)

10 days

D)

12 days