UPSC, PSC, BANK, RAILWAY,etc. Examination Questions

Questions about Maths (Work and Time) including Kerala Administrative Service (KAS), Secretariat Assistant, Panchayath Secretary, BDO, Auditor, Assistant, LDC and LGS examination level questions. You need a lot of experience in taking an online exam.

1. A can do a job in 7 days and B can do the same job in 9 days. In how many days they can complete the work if they work together?

Answer

3 ^{ 15}/_{16 } days

Solution:-

2. Arun can do a piece of work in 24 days and Ravi in 20 days but with the help of Balu they finished the work in 8 days. Then Balu alone can do the work in how many days?

Answer

30 days

Solution:-

3. If P can do a piece of work in 25 days and Q can finish it in 20 days. They worked together for 5 days and the P left. How many days Q will have taken to complete the work?

Answer

11 days

Solution:-

4. A alone can do a piece of work in a 6 days and B alone in 8 days. A and B undertook to do it for Rs.3200 with the help of C, they completed the work in 3 days. How much is to be paid to C ?

Answer

400 Rupees

Solution:-

5. 12 men can complete the work in 6 days then how many men are required to complete the work in 4 days?

Answer

18 men

Solution:-

6. A can complete the work in 6 hours and B can complete the same work in 4 hours. If they work alternatively in what time will the work is finished?

Answer

5 hours

Solution:-

7. A & B working separately can do a piece of work in 8 & 12 hours respectively. If they work one hour alternatively, A beginning the work at 10 am. When will the work will be finished?

Answer

7.30 pm

Solution:-

8. A can finish the wok in 6 days and B can in 4 days. A start the work and after 1day B also joins. In how many days will take the total work finished?

Answer

3 days

Solution:-

9. A can complete a work in 12 days he works for 4 days and B finishes the remaining work in 12 days. In how many day B alone can finish the work?

Answer

18 days

Solution:-

10. A can finish a work in 9 days, he works for 6 days then B finishes the remaining work in 5 days. In how many days will A & B together finish the work?

Answer

^{45}/_{8} days

Solution:-

11. 5 men can prepare 10 toys in 6 days working 6 hours a day, then in how many days can 12men prepare 16 days working 8 hours a day ?

Answer

3 days

Solution:-

12. A is twice as fast as B and they together can complete a work in 6 days. In how many days will A alone complete the work?

Answer

9 days

Solution:-

13. A is twice as fast as b and 4 times as fast as C. if b can complete the work in 14days. In how many days will A, B & C together finish the work ?