81)

X can do a work in 3 days, Y does three times the same work in 8 days, and Z does five times the same work in 12 days. If they have to work together for 6 hours in a day, then in how much time can they complete the work?

SSC CPO 2020

A)

4 hours

B)

5 hours 20 minutes

C)

4 hours 10 minutes

D)

5 hours

82)

A and B can do a piece of work in 36 days. B and C can do the same work in 60 days. A and C can do the same work in 45 days. In how many days can B alone complete the same work?

SSC CPO 2020

A)

120

B)

45

C)

60

D)

90

83)

A and B can do a piece of work in 25 days. B alone can do \(66 \frac{2}{3}\) % of the same work in 30 days. In how many days can A alone do (4/15) part of same work?

SSC CPO 2020

A)

12

B)

18

C)

20

D)

15

84)

A can complete some work in 35 days and B can complete the same work in 15 days. They worked together for 8 days, then B left the work. In how many days will A alone complete 60% of the remaining work?

SSC CPO 2020

A)

5

B)

8

C)

10

D)

15

85)

P and Q together can do a work in 12 days. P alone can do the same work in 18 days. In how many days can Q alone complete two-third part of the same work?

SSC CPO 2020

A)

21days

B)

30days

C)

24days

D)

36days

86)

A is twice as good a workman as B, and together they finish a piece of work in 13 days. In how many days will A alone finish the work ?

SSC CPO 2020

A)

39

B)

\(19 \frac{1}{2}\)

C)

41

D)

\(9 \frac{1}{4}\)

87)

A and B can do a job in 10 days and 5 days, respectively, They worked together for two days, after which B was replaced by C and the work was finished in the next three days. How long will C alone take to finish 40% of the job?

SSC CPO 2020

A)

15 days

B)

12 days

C)

18 days

D)

10 days

88)

A can complete a certain work in 35 days and B can complete the same work in 15 days. They worked together for 7 days, then B left the work. In how many days will A alone complete 60% of the remaining work?

SSC CPO 2020

A)

15

B)

8

C)

10

D)

7

89)

P and Q together can do a work in 12 days. P alone can do the same work in 36 days. In how many days can Q alone complete two-third part of the same work?

SSC CPO 2020

A)

18

B)

15

C)

21

D)

12

90)

A can finish a piece of the work in 16 days and B can finish it in 12 days. They worked together for 4 days and then A left. B finished the remaining work. For how many total number of days did B work to finish the work completely?

SSC CGL 2022

A)

6

B)

4

C)

8

D)

9