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Sunday 6 July 2014

TIME AND WORK: IMPORTANT FORMULAS

Work from Days:
If A can do a piece of work in n days, then A's 1 day's work =1/n

Days from Work:
If A's 1 day's work =1/n,then A can finish the work in n days.

Ratio:
If A is thrice as good a workman as B, then:

Ratio of work done by A and B = 3 : 1.

Ratio of times taken by A and B to finish a work = 1 : 3.

3 comments:

  1. good for reminder in exam...can we check this updation in any date for preparation for our exam ?

    ReplyDelete
  2. Bakwas hyy detail me post kiya Karo or sum bhi

    ReplyDelete
  3. Plz post the maths sum ... E to basic hyy all r known about that ....bakwas hyy detail me post karo

    ReplyDelete