RBI Grade B

RBI Grade B

Time and Work is an important chapter in the Quants section of the banking exams like SBI PO. SBI Clerk, IBPS PO, CLERK AND RRBs. Besides this questions from this chapter can also be asked in RBI, Nabard or Sebi prelims. Questions are asked from the Time and Work concept either directly or in indirect form. So, in this article we will try to understand the concept and some easy formulas and tricks which will help you in the preparation of the topic well. Time and Work concept is slightly tricky, but, if your basics are strong and you are aware which time and work formulas to use in specific kinds of problems you are sorted!

  • Question : 1

    A, B and C can do a piece of work in 10, 20 and 30 days respectively. They all started work together & after 2 days A left. B left 3 days before the completion of work. In how many days total work be completed?

    Answer: 57/5 days


  • Question : 2

    An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 8 hours and horse ‘B’ in 12 hours, then find the time taken by elephant to complete the work.

    Answer: 4.8 hours


  • Question : 3

    An elephant can do a work as fast as two horses lsquo;Arsquo; and lsquo;Brsquo; can do it by working together. If horse lsquo;Arsquo; alone can complete the work in 24 hours and horse lsquo;Brsquo; in 36 hours, then find the time taken by elephant to complete the work.

    Answer: 13.2 hours


  • Question : 4

    An elephant can do a work as fast as two horses lsquo;Arsquo; and lsquo;Brsquo; can do it by working together. If horse lsquo;Arsquo; alone can complete the work in 22 hours and horse lsquo;Brsquo; in 33 hours, then find the time taken by elephant to complete the work.

    Answer: 13.2 hours


  • Question : 5

    An elephant can do a work as fast as two horses ‘A’ and ‘B’ can do it by working together. If horse ‘A’ alone can complete the work in 18 hours and horse ‘B’ in 27 hours, then find the time taken by elephant to complete the work.

    Answer: 10.8 hours


Important Chapters In Quantitative Aptitude

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