Time and Work
Time And Work Questions Asked in various competitive exams specially in IBPS and SSc exams. These concepts will help you in cracking exams.
Time, work & wages
1. Work from Days:
- If A can do a piece of work in n days, n days work is=1/n
- No. of days = total work / work done
- Days from Work: If A’s 1 day’s then A can finish the work in n days.
- More men ——- can do ——->
- Less men ——- can do ——->
2. Relationship between Work and Time
- More work ——– takes——>
- More Time Less work ——– takes——> Less Time
3.Relationship between Men and Work.
- More men ——- can do ——->
- Less men ——- can do ——->
4.Relationship between Men and Time
- More men ——- can do in ——-> Less Time
- Less men ——- can do in ——-> More Time
5.If M1 persons can do W1 work in D1 days and M2 persons can do W2 work in D2 days, then
- M1*D1/W1 =M2*D2/W2
6.If M1 persons can do W1 work in D1 days h1 hours and M2 persons can do W2 work in D2 days for h2 hours, then
- M1*D1*H1/W1 = M2*D2*H2/W2
7.If A can do a work in ‘x’ days and B can do same work in ‘y’ days, then the number of days required to complete the work if A and B work together is
- X*Y/X+Y
8.If A can do a work in ‘x’ days and A + B can the same work in ‘y’ days, then the number of days required to complete the work if B works alone is
- X*Y/X+Y
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