Important Time and Work Practice Questions - SBI PO Prelim Series

In SBI Prelimanry exam preparations series, today I am posting important practice questions for Time and Work.

Read Time and Work concepts here

Post your queries in the comments section.


A and B together can do a job in 4 days.If A can do job in 12 days if he works alone ,then how many days B alone take to complete the job?


A and B can do job in 8 days. B and C can do same job in 12 days.A,B and C together can do same job in 6 days.In how many days A and C together can complete the job?


A is twice as efficient as B and can complete a job in 30 days before B.In how much they can complete the job together?


A tank can be filled in 20 minutes.There is a leakage which can empty in 60 minutes.In how many minutes tank can be filled?


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 work twice as fast as B. I f B can complete a work in 12 days independently,the number of days in which A and B can together finish the work in?


20 Women can do a work in 16 days.Sixteen men can complete the same work in 15 days.What is the ration between the capacity of a man and a woman?


A and B together can complete a piece of work in 4 days.If A alone can complete the same work in 12 days,in how many days can B alone complete that work?


A,Band C can do a piece of work in 36,54 and 72 days respectively.they started the work but A left 8 days before the completion of the work while B left 12 days before the completion.The number of days for which C worked is?


Ten Women can complete a work in 7 days and 10 children take 14 days to complete the work.How many days will 5 women and 10 children take to complete the work?


12 Men complete a work in 9 days.After they have worked for 6 days,6 more men joined them.How many days will they take to complete the remaining work?


A,B and C together earn Rs.300 per day,while A and C together earn Rs.188 and B and C together earn Rs.152.the daily earning of C is?

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  1. Useful one. Keep gng.

  2. Finding cube root of any no.

    Eg : to find d cube root of 39304
    Step 1 : find d cube of d last digit I.e 4^3=64....
    Take d last digit of dis no. I.e it in d unit digit of d req cube root.
    Step 2: cancel d last 3 digit from d no. I.e cancel 304.
    Step 3: find d lowest nearest cube of frst two digit or left no. Digits...nearest cube of 39 is 27 I.e 3^3
    Hence d cube root is 34 for 39304.

    It is helpful for any perfect cube root no's.

  3. Sir Will you come online at Google+ tommorow??

  4. Today is Saturday.. No discussion??

  5. I will continue that on Monday, today I was busy with a project

  6. I got it clearly thanks sir

  7. can any1 give me the explanation for 9 question


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