Explore topic-wise MCQs in Mathematics Mcqs.

This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Mcqs knowledge and support exam preparation. Choose a topic below to get started.

1.

A is thrice as good workman as B and together they finish a piece of work in 24 days. In how many days can A alone finish the work

A. 20 days
B. 25 days
C. 32 days
D. 29 days
Answer» D. 29 days
2.

A is twice as good a workman as B and takes 6 less days to complete a piece of work as B does. To finish the work alone B will take

A. 12
B. 10
C. 13
D. 6
Answer» B. 10
3.

Alia can complete an assignment in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is

A. 3 days
B. 5 days
C. 4 days
D. 2 days
Answer» D. 2 days
4.

A tank can be filled by tap A in 16 hrs and by tap B in 20 hrs. Both the taps are kept opened for 8 hrs and then A is closed. In how many more hours will the tank be completely filled?

A. 2 hrs
B. 12 2?3
C. 10 hrs
D. 0.5 hrs
Answer» B. 12 2?3
5.

A tank has a leak which would empty it in 10 hrs. A tap is turned on and it admits 9 liters per minute into the tank and tank is now emptied in 25 hrs. How many liters tank holds?

A. 9000
B. 13400
C. 14500
D. 10000
Answer» B. 13400
6.

A tank that can be filled by an inlet pipe A in 12 hours is filled in 18 hours while out let pipe B is opened. The outlet pipe B can empty the full tank in

A. 25 hrs
B. 36 hrs
C. 76 hrs
D. 50 hrs
Answer» C. 76 hrs
7.

A tank which has a leak in the bottom is filled in 20 hours. Had there been no leak the tank would have been filled in 15 hours. The leak can empty the full tank in

A. 80 hrs
B. 5 hrs
C. 60 hrs
D. 2 hrs
Answer» D. 2 hrs
8.

A works thrice as fast as B. If B can complete a work in 18 days. Then number of days taken by A and B working together to complete this work is

A. 8 days
B. 9 days
C. 5 days
D. 4.5 days
Answer» E.
9.

Ahmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is

A. 16 days
B. 24 days
C. 20 days
D. 10 days
Answer» E.
10.

An inlet pipe can fill a tank in 10 hrs and an outlet pipe empties the same full tank in 20 hrs. The time required to fill the tank when both pipes are opened.

A. 10
B. 20
C. 30
D. 25
Answer» C. 30
11.

Asghar can do a job in 60 days. And both Asghar and Babar can do the same job in 20 days working together. Babar alonge can do the some job in

A. 30 days
B. 60 days
C. 28 days
D. 45 days
Answer» B. 60 days
12.

If A can do a job in 10 days another person B can do the same job in 20 days then time required to do the job when both of them working todether.

A. 1?30
B. 3?20
C. 1?10
D. 20?3
Answer» E.
13.

If A can do a piece of work in 10 days then part of work done by him in one day.

A. 2?5
B. 3?8
C. 1?10
D. 3?7
Answer» D. 3?7
14.

If an inlet pipe fills a tank in 10 hrs and another inlet pipe fills the same tank in 5 hrs then time required to fill the tank when both pipes are opened.

A. 10?3
B. 3?10
C. 1?3
D. 3
Answer» B. 3?10
15.

If an inlet pipe fills a tank in 10 hrs then part of tank filled in 1 hr.

A. 1?5
B. 1?10
C. 1?15
D. 1?8
Answer» C. 1?15
16.

If an outlet pipe empties a full tank in 20 hrs then part of tank emptied in one hour.

A. 3?20
B. 2?5
C. 1?10
D. 1?20
Answer» E.
17.

If As 1 days work = 1/20 then time required to finish the job (in days)

A. 20
B. 10
C. 25
D. 30
Answer» B. 10
18.

If part of tank filled in one hour = 1/10 then time required to fill the tank.

A. 8
B. 12
C. 10
D. 15
Answer» D. 15
19.

M and N working separately can complete a job in 6 and 12 hours respectively. If they work for an hour alternately M starting at 10:00 AM when will the job be done?

A. 2:00 PM
B. 8:00 PM
C. 7:00 PM
D. 6:00 PM
Answer» E.
20.

Pipe A can fill a tank in 10 hours and pipe B can empty it in 15 hours. In how many hours will the tank be filled if both the pipes are opened?

A. 6
B. 10
C. 20
D. 30
Answer» E.
21.

Three pipes A B and C can fill a tank in 20 hours. After working at it together for 5 hours C is closed and A and B fill it in 30 hrs. C alone can fill it in

A. 35 hrs
B. 40 hrs
C. 30 hrs
D. 28 hrs
Answer» C. 30 hrs
22.

Two pipes A and B can fill a tank in 14 and 21 hrs respectively. If both pipes are opened together then after how many hours A should be closed so that tank is full in 7 hours.

A. 28/5 hrs
B. 6.5 hrs
C. 5 hrs
D. 4 hrs
Answer» B. 6.5 hrs
23.

Two pipes can fill an empty tank in 10 and 15 hrs respectively. If waste pipe C is opened both A and B together can fill the tank in 5 hours. The waste pipe can empty the full tank in

A. 30 hrs
B. 50 hrs
C. 60 hrs
D. 40 hrs
Answer» B. 50 hrs
24.

Working 8 hours a day a work is done in 10 days. For how many hours a day must the work be done in order to complete it in 8 days.

A. 12 hours
B. 10 hours
C. 9 hours
D. 9
Answer» C. 9 hours
25.

X can do a job in 16 days Y can do the same job in 20 days X Y and Z can do the job in 7.5 days. Alone Z can do the same job in

A. 100 days
B. 120 days
C. 80 days
D. 48 days
Answer» E.