Explore topic-wise MCQs in Aptitude.

This section includes 558 Mcqs, each offering curated multiple-choice questions to sharpen your Aptitude knowledge and support exam preparation. Choose a topic below to get started.

1.

Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

A. 7 hours 30 minutes
B. 8 hours
C. 8 hours 15 minutes
D. 8 hours 25 minutes
Answer» D. 8 hours 25 minutes
Discussion
2.

A and B can do a job together in 7 days. A is 1 times as efficient as B. The same job can be done by A alone in :

A.
B. 11 days
C.
D.
Answer» C.
Discussion
3.

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?

A. 3 : 4
B. 4 : 3
C. 5 : 3
D. Data inadequate
Answer» C. 5 : 3
Discussion
4.

A can do a piece of work in 5 hours, B in 9 hours and C in 15 hours. If C could work with them for 1 hour only the time taken by A and B together to complete the work is ?

A. 2 hours
B. 3 hours
C. 3
D. /
E. 4 hours
Answer» B. 3 hours
Discussion
5.

25 men reap a field in 20 days. When should 15 men leave the work, if the whole field is to be reaped in 371/2 day after they leave the work ?

A. 6 days
B. 4 days
C. 5 days
D. None of these
Answer» D. None of these
Discussion
6.

12 men can complete a work within 9 days. After 3 days they started the work, 6 men joined them to replace 2 men. How many days will they take to complete the remaining work ?

A. 2
B. 3
C. 4
D. 4
E. /
Answer» E. /
Discussion
7.

14 workers can make 1400 toys in 5 days. One day after they started the work 14 more workers joined them. How many days will they take to complete the remaining work ?

A. 2 days
B. 3 days
C. 4 days
D. 3
E. /
Answer» B. 3 days
Discussion
8.

Rashmi can do a piece of work in 16 days. Ravina can do the same work in 124/5 days, while Gitika can do it in 32 days. All of them started to work together but Rashmi leaves after 4 days. Ravina leaves the job 3 days before the completion of the work. How long would the work last?

A. 9 days
B. 6 days
C. 18 days
D. 5 days
Answer» B. 6 days
Discussion
9.

A skilled, a half skilled and an unskilled labourer work for 7, 8 and 10 days respectively and they together get 369 for their work. If the ratio of their each day s work is
1
:
1
:
1
346

then how much does the trained labourer get (in rupees) ?

A. 164
B. 102.50
C. 201.50
D. 143.50
Answer» E.
Discussion
10.

60 men could complete a work in 250 days. They worked together for 200 days. After that the work had to be stopped for 10 days due to bad weather.
How many more men should be engaged to complete the work in time ?

A. 10
B. 15
C. 18
D. 20
Answer» C. 18
Discussion
11.

A road of 5 km length will be constructed in 100 days. So 280 workers were employed. But after 80 days it was found that only
3
1
 km road was completed.
2

Now how many more people were needed to finish the work in the specified time ?

A. 480
B. 80
C. 200
D. 100
Answer» D. 100
Discussion
12.

A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one person works, on the second day another person joins him, on the third day one more person joins them and this process continues till the work is completed.
How many approximate days are needed to complete the work?

A. 8 days
B. 9 days
C. 10 days
D. 11 days
Answer» D. 11 days
Discussion
13.

The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in

A. 6 days
B.
C. 8 days
Answer» C. 8 days
Discussion
14.

12 men and 18 boys working
7
1
2

hours a day can do a work in 60 days. If one man works equal to 2 boys, then the number of boys required to help 21 men to do twice the work in 50 days working 9 hours a day will be :

A. 42
B. 44
C. 46
D. None of these
Answer» B. 44
Discussion
15.

A can do a work in 12 days and B can do it in 16 days. A and B started the work jointly and A left 2 days before the work is finished. Find the number of days they took to finish the work.
(1) (2)

A. 6 days
B. 7 days
C. 9 days
D. 8 days
Answer» E.
Discussion
16.

A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A in 20 days. They all work for 10 days when B and C leave.
How many days more will A take to complete the work?

A. 16 days
B. 15 days
C. 18 days
D. 20 days
Answer» D. 20 days
Discussion
17.

A and B can do a piece of work in 8 days, B and C can do it in 24 days, while C and A
can do it in 8
7
days. In how many days can C do it alone?
4
A. 60 days
B. 40 days
C. 30 days
D. 10 days
Answer» B. 40 days
Discussion
18.

If A and B together can finish a piece of work in 20 days, B and C in 10 days and C and A in 12 days, then A, B, C jointly can finish the same work in

A. 30 days
B.
C.
Answer» D.
Discussion
19.

A does 20 % less work then B. If A can complete a piece of work in
71/2h, then B can do it in

A. 4 h
B. 6 h
C. 8 h
D. 10 h
Answer» C. 8 h
Discussion
20.

X can completed a job in 12 days. If X and Y work together, they can complete the job in 62/3 days, Y alone can complete the job in

A. 10 days
B. 12 days
C. 15 days
D. 18 days
Answer» D. 18 days
Discussion
21.

Alen and Border can do a work individually in 21 and 42 days respectively. In how many days they can complete the work, working alternatively?
A. 14
B. 28
C. 42
D. 35
Answer» C. 42
Discussion
22.

A can do
1
of a work in 10 days.
4

B can do
1
of the work in 20 days.
3

In how many days can both A and B together do the work ?

A. 30 days
B. 32 days
C. 24 days
D. 25 days
Answer» D. 25 days
Discussion
23.

A and B can do a piece of work in 6 days and A alone can do it in 9 days. The time taken by B alone to do the same work is ?

A. 18 days
B. 15 days
C. 12 days
D. 7
E. /
Answer» B. 15 days
Discussion
24.

A and B can do a piece of work in 12 days. B and C in 15 days. C and A in 20 days. A alone can do the work in ?

A. 15
B. /
C. 24 days
D. 30 days
E. 4 days
Answer» D. 30 days
Discussion
25.

A and B working together; can do a piece of work in 4
1
hours. B and C working together
2

can do it in 3 hours. C and A working together can do it in 2
1
hours. All of them
4
begin the work at the same time. Find how much time they will take to finish the piece of work.

A. 3 hours
B. 2 hours
C. 2 5 hours
D. 3 25 hours
Answer» C. 2 5 hours
Discussion
26.

A man and a woman working together can do a certain work in 18 days. Their skills in doing the work are in the ratio 3 : 2.
How many days will the woman take to finish the work alone?

A. 45 days
B. 36 days
C. 27 days
D. 30 days
Answer» B. 36 days
Discussion
27.

A contractor undertook to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work.
How many men can be discharged now so that the work may finish in time ?

A. 48
B. 56
C. 40
D. 50
Answer» C. 40
Discussion
28.

If x men can do a piece of work in x days, then the number of days in which y men can do the same work is

A. xy days
B. x
C. y days
Answer» D.
Discussion
29.

One man, 3 women and 4 boys can do a piece of work in 96 hours, 2 men and 8 boys can do it in 80 hours, 2 men and 3 women can do it in 120 hours. 5 men and 12 boys can do it in

A.
B.
C.
D. 44 hours
Answer» D. 44 hours
Discussion
30.

A man does double the work done by a boy in the same time. The number of days that 3 men and 4 boys will take to finish a work which can be done by 10 men in 8 days is

A. 4
B. 16
C.
D.
Answer» C.
Discussion
31.

A can do a work in 5 days less than the time taken by B to do it. If both of them together take
11
1
9

days, then the time taken by B alone to do the same work (in days) is

A. 15
B. 20
C. 25
D. 30
Answer» D. 30
Discussion
32.

A does 20% less work than B. If A can complete a piece of work in
7
1
hours, then B can do it in
2
A. 6 hours
B. 5 hours
Answer» C.
Discussion
33.

Jyothi can do
3
of a job in 12
4

days. Mala is twice as efficient as Jyothi. In how many days will Mala finish the job ?

A. 6 days
B. 8 days
C. 12 days
D. 16 days
Answer» C. 12 days
Discussion
34.

Babu and Asha can do a job together in 7 days.
Asha is 1
3
times
4

as efficient as Babu. The same job can be done by Asha alone in

A.
B. 11 days
Answer» D.
Discussion
35.

45 men can complete a work in 16 days. Four days after they started working, 36 more men joined them. How many days will they now take to complete the remaining work ?

A. 6 days
B. 8 days
C.
D.
Answer» D.
Discussion
36.

If 12 men working 8 hours a day complete the work in 10 days, how long would 16 men working
7
1
2
hours a day take to complete the same work?

A. 7
B. 6
C. 10
D. 8
Answer» E.
Discussion
37.

If 40 men or 60 women or 80 children can do a piece of work in 6 months, then 10 men, 10 women and 10 children together do half of the work in

A. 6 months
B.
C.
Answer» D.
Discussion
38.

A does 7/10 part of work in 15 days. After that he completes the remaining work in 4 days with the help of B. In how many days will A and B together do the same work ?

A.
B.
Answer» D.
Discussion
39.

Two workers A and B are engaged to do a piece of work. A working alone would take 8 hours more to complete the work than when work together. If B worked alone, would take
4
1
 hours more than
2

when work together. The time required to finish the work together is

A. 5 hours
B. 4 hours
C. 8 hours
D. 6 hours
Answer» E.
Discussion
40.

A can complete 1/3 of a work in 5 days and B, 2/5 of the work in 10 days. In how many days both A and B together can complete the work ?

A. 10 days
B.
C.
Answer» C.
Discussion
41.

A, B and C can do a piece of work in 30, 20 and 10 days respectively. A is assisted by B on one day and by C on the next day, alternately. How long would the work take to finish ?

A.
B.
Answer» B.
Discussion
42.

A, B and C can complete a piece of work in 24, 5 an 12 days respectively. Working together, they will complete the same work in :

A.
B.
C. 4 days
D. None of these
Answer» F.
Discussion
43.

A, B and C can complete a work in 10, 12 and 15 days respectively. A left the work 5 days before the work was completed and B left 2 days after A had left. Number of days required to complete the whole work is :

A.
B.
C. 7
D. 6
Answer» D. 6
Discussion
44.

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

A. 20 days
B. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-line" rowspan="2">22</td> <td class="ga-td-divident">1</td> <td class="ga-td-line-lpad" rowspan="2">days</td> </tr> <tr class="ga-tr-divisor" align="center"> <td class="ga-td-divisor">2</td> </tr> </tbody></table>
C.
D. 25 days
E. 30 days
Answer» C.
Discussion
45.

X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

A. 6 days
B. 10 days
C. 15 days
D. 20 days
Answer» C. 15 days
Discussion
46.

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:

A. 4 days
B. 5 days
C. 6 days
D. 7 days
Answer» B. 5 days
Discussion
47.

A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?
A. 8 hours
B. 10 hours
C. 12 hours
D. 24 hours
Answer» D. 24 hours
Discussion
48.

A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:

A. 15 days
B. 20 days
C. 25 days
D. 30 days
Answer» D. 30 days
Discussion
49.

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?
A. 23 days
B. 37 days
C. 37
D. <img src="/_files/images/aptitude/1-div-1by2.gif" alt="1/2">
E. 40 days
Answer» D. <img src="/_files/images/aptitude/1-div-1by2.gif" alt="1/2">
Discussion
50.

A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ?
A. 11:30 A.M.
B. 12 noon
C. 12:30 P.M.
D. 1:00 P.M.
Answer» E.
Discussion