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.

501.

Ram can do a piece of work in 20 days and Shyam in 30 days. They work together for 10 days. After that Shyam leaves and rest of the work is completed by Ram alone. How long does it take Ram to finish the remaining work?

A. 3 days
B. <table><tr><td rowspan="2">2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><td align="center">3</td></table>
C.
D. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><td align="center">3</td></table>
E. <table><tr><td rowspan="2">4</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><td align="center">3</td></table>
Answer» D. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">days</td></tr><td align="center">3</td></table>
Discussion
502.

Sister can bake 50 cakes in 25 hours, Sister and Mummy together can bake 75 cakes in 15 hours. How many cakes Mummy can bake in 15 hours ?

A. 25
B. 45
C. 20
D. 10
Answer» C. 20
Discussion
503.

A, B and C can complete a work in 8 days. B alone can do it in 18 days and C alone can do it in 24 days. In how many days can A alone do the same work?

A. 36 days
B. 24 days
C. 38 days
D. 30 days
Answer» B. 24 days
Discussion
504.

A can do a piece of work in 40 days. He works on it for 5 days and then B completes it in 21 days. How long will A and B together take to complete the work?

A. 10 days
B. 15 days
C. 20 days
D. 25 days
Answer» C. 20 days
Discussion
505.

A and B can do a piece of work in 12 days, B and C in 15 days; C and A in 20 days. In how many days will they finish it working together? In what time can A do it separately?

A. 45 days
B. 20 days
C. 60 days
D. 30 days
Answer» E.
Discussion
506.

If 10 men can do a piece of work in 12 days, the time taken by 12 men to do the same piece of work will be

A. 12 days
B. 10 days
C. 9 days
D. 8 days
Answer» C. 9 days
Discussion
507.

7 men can complete a piece of work in 12 days. How many additional men will be required to complete double the work in 8 days ?

A. 28
B. 21
C. 14
D. 7
Answer» D. 7
Discussion
508.

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for n days is

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>p<sup>2</sup></center></td></tr><td align="center">n<sup>2</sup></td></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>p<sup>3</sup></center></td></tr><td align="center">n<sup>2</sup></td></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n<sup>2</sup></center></td></tr><td align="center">p<sup>2</sup></td></table>
D.
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n<sup>3</sup></center></td></tr><td align="center">p<sup>2</sup></td></table>
Answer» E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>n<sup>3</sup></center></td></tr><td align="center">p<sup>2</sup></td></table>
Discussion
509.

A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many days B could finish the work ?

A. 48 days
B. 24 days
C. 16 days
D. 12 days
Answer» B. 24 days
Discussion
510.

A works twice as fast as B. If B can complete a piece of work independently in 12 days, then what will be the number of days taken by A and B together to finish the work?

A. 4
B. 6
C. 8
D. 18
Answer» B. 6
Discussion
511.

Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of the work in

A. 9 days
B. 6 days
C. 5 days
D. 3 days
Answer» E.
Discussion
512.

20 men or 24 women can complete a piece of work in 20 days. If 30 men and 12 women undertake to complete the work, the work will be completed in

A. 10 days
B. 12 days
C. 15 days
D. 16 days
Answer» B. 12 days
Discussion
513.

Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 days. The original number of carpenters was

A. 24
B. 20
C. 16
D. 18
Answer» C. 16
Discussion
514.

2 men and 3 women together or 4 men together can complete a piece of work in 20 days.3 men and 3 women will complete the same work in :

A. 12 days
B. 16 days
C. 18 days
D. 19 days
Answer» C. 18 days
Discussion
515.

4 mat-weavers can weave 4 mats in 4 days. At the same rate how many mats would be woven by 8 mat-weavers in 8 days ?

A. 4
B. 8
C. 12
D. 16
Answer» E.
Discussion
516.

Working 8 hours a day, Anu can copy a book in 18 days. How many hours a day should she work so as to finish the work in 12 days ?

A. 12 hours
B. 10 hours
C. 11 hours
D. 13 hours
Answer» B. 10 hours
Discussion
517.

x number of men can finish a piece of work in 30 days. If there were 6 men more, the work could be finished in 10 days less. The original number of men is

A. 6
B. 10
C. 12
D. 15
Answer» D. 15
Discussion
518.

A wall of 100 metres can be built by 7 men or 10 women in 10 days. How many days will 14 men and 20 women take to build a wall of 600 metres ?

A. 15
B. 20
C. 25
D. 30
Answer» B. 20
Discussion
519.

5 persons can prepare an admission list in 8 days working 7 hours a day. If 2 persons join them so as to complete the work in 4 days, they need to work per day for :

A. 10 hours
B. 9 hours
C. 12 hours
D. 8 hours
Answer» B. 9 hours
Discussion
520.

If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 100 m?

A. 30
B. 10
C. 18
D. 28
Answer» B. 10
Discussion
521.

Raja can do a piece of work in 20 days while Ramesh can finish it in 25 days. Ramesh started working and Raja joined him after 10 days. The whole work is completed in

A. 18 days
B. <table><tr><td rowspan="2">16</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td><td rowspan="2">days</td></tr><tr><td style="text-align: center;">3</td></tr></table>
C. 20 days
D. 15 days
Answer» C. 20 days
Discussion
522.

39 persons can repair a road in 12 days working 5 hours a day. In how many days will 30 persons working 6 hours a day complete the work ?

A. 10 days
B. 13 days
C. 14 days
D. 15 days
Answer» C. 14 days
Discussion
523.

20 men can do a piece of work in 18 days, They worked together for 3 days, then 5 men joined them. In how many more days is the work completed ?

A. 15
B. 12
C. 14
D. 13
Answer» C. 14
Discussion
524.

16 men are able to complete a piece of work in 12 days working 14 hours a day. How long will 28 men, working 12 hours a day, take to complete the work ?

A. 10 days
B. 7 days
C. 8 days
D. 6 days
Answer» D. 6 days
Discussion
525.

A and B can do a given piece of work in 8 days, B and C can do the same work in 12 days and A, B, C complete it in 6 days. Number of days required to finish the work by A and C is

A. 16
B. 8
C. 12
D. 24
Answer» C. 12
Discussion
526.

A and B can do a piece of work in 45 and 40 days repectively. They began the work together but A left after some days and B finished the remaining work in 23 days. A left after

A. 6 days
B. 9 days
C. 12 days
D. 5 days
Answer» C. 12 days
Discussion
527.

A and B can do a piece of work in 15 days. B and C can do the same work in 10 days and A and C can do the same in 12 days. Time taken by A, B and C together to do the job is

A. 4 days
B. 9 days
C. 8 days
D. 5 days
Answer» D. 5 days
Discussion
528.

A and B can do a piece of work in 15 days. B and C can do a similar work in 12 days and C and A in 10 days. How many days will A take to do the work by himself ?

A. 13
B. 24
C. 40
D. 8
Answer» C. 40
Discussion
529.

A and B can together finish a work in 30 days. They worked at it for 20 days and then B left. The remaining work was done by A alone in 20 more days.A alone can finish the work in

A. 60 days
B. 54 days
C. 48 days
D. 50 days
Answer» B. 54 days
Discussion
530.

A s 2 days work is equal to B s 3 days work. If A can complete the work in 8 days then to complete the work B will take

A. 14 days
B. 12 days
C. 15 days
D. 16 days
Answer» C. 15 days
Discussion
531.

A can do a piece of work in 25 days and B can do the same work in 30 days. They work together for 5 days, how much of work is left ?

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>11</center></td></tr><td align="center">30</td></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>15</center></td></tr><td align="center">30</td></table>
C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>19</center></td></tr><td align="center">30</td></table>
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td></tr><td align="center">30</td></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>12</center></td></tr><td align="center">30</td></table>
Discussion
532.

A, B and C can do a work separately in 16, 32 and 48 days respectively. They started the work together but B left off 8 days and C six days before the completion of the work. In what time is the work finished?

A. 10 days
B. 9 days
C. 12 days
D. 14 days
Answer» D. 14 days
Discussion
533.

A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is completed by C in 3 days, then in how many days can C do the same work alone?

A. 10 days
B. 9 days
C. 12 days
D. 15 days
Answer» C. 12 days
Discussion
534.

A can finish a work in 7 days. B can finish the same work in 9 days. The number days required to finish the same work by both of them together is

A. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>15</center></td><td rowspan="2"></td></tr><td align="center">16</td></table>
B. <table><tr><td rowspan="2">2</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>15</center></td><td rowspan="2"></td></tr><td align="center">16</td></table>
C.
D. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>15</center></td><td rowspan="2"></td></tr><td align="center">16</td></table>
E. <table><tr><td rowspan="2">4</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>15</center></td><td rowspan="2"></td></tr><td align="center">16</td></table>
Answer» D. <table><tr><td rowspan="2">3</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>15</center></td><td rowspan="2"></td></tr><td align="center">16</td></table>
Discussion
535.

If 90 men can do a certain job in 16 days, working 12 hours per day, then the part of that work which can be completed by 70 men in 24 days, working 8 hours per day is

A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><td align="center">3</td></table>
B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><td align="center">3</td></table>
C.
D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>7</center></td></tr><td align="center">9</td></table>
E. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td></tr><td align="center">8</td></table>
Answer» D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>7</center></td></tr><td align="center">9</td></table>
Discussion
536.

A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone he can do the work in

A. 60 hours
B. 50 hours
C. 25 hours
D. 10 hours
Answer» B. 50 hours
Discussion
537.

30 men can repair a road in 18 days. They are joined by 6 more workers. Now the road can be repaired in

A. 14 days
B. 15 days
C. 16 days
D. 17 days
Answer» C. 16 days
Discussion
538.

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in

A. 16 days
B. 24 days
C. 28 days
D. 29 days
Answer» C. 28 days
Discussion
539.

A, B and C working separately can do a piece of work in 11 days, 20 days and 55 days respectively. In how many days, the work will be completed if A is assisted by B and C on alternate days ?

A. 2
B. 6
C. 4
D. 8
Answer» E.
Discussion
540.

A and B together can do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

A. 18 days
B. 24 days
C. 9 days
D. 12 days
Answer» B. 24 days
Discussion
541.

A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work?

A. 12 days
B. 20 days
C. 15 days
D. 8 days
Answer» E.
Discussion
542.

A and B together can complete a work in 3 days. They start together. But, after 2 days, B left the work. If the work is completed after 2 more days, B alone could do the work in

A. 10 days
B. 4 days
C. 6 days
D. 8 days
Answer» D. 8 days
Discussion
543.

18 boys can do a piece of work in 24 days. In how many days can 27 boys do the same work ?

A. 16 days
B. 32 days
C. 23 days
D. 48 days
Answer» B. 32 days
Discussion
544.

If 80 persons can finish a work within 16 days by working 6 hours a day, the number of hours a day, should 64 persons work to finish that very job within 15 days is :

A. 5 hrs.
B. 7 hrs.
C. 8 hrs.
D. 6 hrs.
Answer» D. 6 hrs.
Discussion
545.

If the work done by (x 1) men in (x + 1) days is to the work done by (x + 2) men in (x 1) days are in the ratio 9 : 10, then the value of x is equal to :

A. 5
B. 6
C. 7
D. 8
Answer» E.
Discussion
546.

A can do a piece of work in 20 days and B in 30 days. They work together for 7 days and then both leave the work. Then C alone finishes the remaining work in 10 days. In how many days will C finish the full work ?

A. 25 days
B. 30 days
C. 24 days
D. 20 days
Answer» D. 20 days
Discussion
547.

If 20 women can lay a road of length 100m in 10 days. Then 10 women can lay the same road of length 50m in

A. 20 days
B. 15 days
C. 5 days
D. 10 days
Answer» E.
Discussion
548.

A and B together can finish a job in 24 days, while A, B and C together can finish the same job in 8 days. C alone will finish the job in

A. 12 days
B. 14 days
C. 16 days
D. 24 days
Answer» B. 14 days
Discussion
549.

A and B together can complete a job in 8 days. Both B and C, working alone can finish the same job in 12 days. A and B commence work on the job, and work for 4 days, where upon A leaves. B continues for 2 more days, and then he leaves too. C now starts working, and finishes the job. How many days did C require ?

A. 5
B. 8
C. 3
D. 4
Answer» E.
Discussion
550.

A, B and C together can do a piece of work in 40 days. After working with B and C for 16 days, A leaves and then B and C complete the remaining work in 40 days more. A alone could do the work in

A. 80 days
B. 90 days
C. 100 days
D. 120 days
Answer» D. 120 days
Discussion