61)

A, B and C can do one-third of a work in 15 days, 30 days and 10 days, respectively. A started the work. C joined him after 1 day and B joined them after 3 days of the beginning. For how many days did C work?

SSC Selection Post Matric 2022

A)

20

B)

15

C)

16

D)

13

62)

A is 40% more efficient than B. If B finishes a work in 14 days , then in how many days will A finish the same work?

SSC Selection Post Matric 2022

A)

9

B)

8.4

C)

10.5

D)

10

63)

A earns ₹2,250 in a day if he works for 8 hours a day. B earns ₹3,750 per day if he works for 6 hours a day. The ratio of the per hour wages of A to that of B is:

SSC Selection Post Matric 2022

A)

9 : 20

B)

11 : 17

C)

15 : 28

D)

7 : 19

64)

A and B can do a piece of work in 24 days and 48 days, respectively. Working together, they completed the work in 12 days with the help of C. How long (in days) will C take to do five-sixth of the work all by himself?

SSC Selection Post Matric 2022

A)

36

B)

54

C)

48

D)

40

65)

A can do a work in 10 days. He worked for 6 days and left the work. The remaining work was done by B in 8 days. In how many days can B alone do 65% of the work?

SSC Selection Post Matric 2022

A)

13.5

B)

12

C)

13

D)

14

66)

A and B together can do a work in 16 days. If A alone can do the same work in 48 days, then in how many days can B alone do the same work?

SSC Selection Post Matric 2022

A)

20

B)

12

C)

24

D)

16

67)

P can do a piece of work in 48 days and Q and do half of the same work in 30 days. If they both work together, in how many days can they complete three - eigth of the work?

SSC Selection Post Matric 2022

A)

24

B)

10

C)

8

D)

12

68)

P sold a camera to Q at 32% profit. However, Q sold it to R at a loss of 20% . If R paid Rs.6,464 for the camera, what was the price (in Rs, to the nearest rupee) paid by P for it?

SSC Selection Post Matric 2022

A)

5,850

B)

8,050

C)

7,080

D)

6,121

69)

A certain number of men can do a piece of work in 48 days. If there were 30 more men, it would take 18 days less to complete the work. The number of men, initially, is:

SSC Selection Post Matric 2022

A)

60

B)

54

C)

50

D)

72

70)

A can do 50% of a work in 20 days and B can do \(66\frac{2}{3}\) % of the same work in 40 days. Both work together for 6 days. The remaining work is completed by C alone in 12 days. Working together, A, B and C will complete the same work in:

SSC Selection Post Matric 2022

A)

\(10\frac{3}{5}\) days

B)

\(9\frac{3}{5}\) days

C)

\(7\frac{3}{5} \) days

D)

\(8\frac{3}{5}\) days