QUANTITATIVE APTITUDE - TIME AND WORK SET 03

 TIME AND WORK SET 03

1. 6 men and 5 boys can do a piece of work in 10 days while 20men and 45 boys can do the same in 2 days, how much time taken by 13 men and 25 boys in doing the same work ?
 

A)2(1/3)days        B)3(1/3)days        C)4(1/3)days        D)2(1/2) days
 

2. P and Q Working separately can do a piece of work in 6 days and 11 days, if they work alternately beginning with P then the work will be completed in how many days ?
 

A)10 days        B)6 days        C)8 days        D)5 days
 

3. 3 men and 5 women do a piece of work in 9 days and 2 men 7 children do the same in 6 days. How many women can do as much work as 21 children ?
 

A)5        B)7        C)8        D)10
 

4.  If 12 persons can complete 3/5 of a work in 10 days, then find the number of persons required to complete the remaining work in 10days ?
 

A)7        B)8        C)9        D)10
 

5.  P can complete the work in 16 days. P and Q can complete the work in 12days. In how many days Q alone can complete the same work ?
 

A)32        B)46        C)48        D)38
 

6. A can complete a piece of work in 8 days and B can complete the work in 10 days and C in 12 days. B and C together worked for 3 days, then C left the work and A replaced him. In how many days will the remaining work be completed ?
 

A)1        B)2        C)3        D)4
 

7.A can finish a piece of work in 24 days. B is 20% more efficient than A and C is 25% more efficient than B. Find the time B and C will take to finish the work?
 

A)7days            B)6days            C)8days            D)9days
 

8.  Seven men can complete a work in 10 days. They started the work and after 5 days, two men left. In how many days will the work be completed by the remaining men ?
 

A)7        B)6        C)8        D)9
 

9. If 40 people can make 60 toys in 8 hrs, if 8 people leave the work, how many toys can make in 12 hrs ?
 

A)68        B)71        C)72        D)70
 

10. 18 Women can complete a work in 10 days. 16 men complete the work in 12 days. The ratio of working capacity of man to that of a woman is
 

A)15:16            B)16:15            C)15:14            D)14:15

Answer Keys:
1.B
2.C
3.D
4.B
5.C
6.B
7.D
8.A
9.C
10.A