Saturday, June 2, 2012

Time and Work Solved Problems on Basics


1.       A can do a work in 10 days. What is A’s 1 day work?
Ans: 1/10th of work

2.       Two people can do a work in 10 days. What is 1 day 1 man work?
Ans: Since it is given as 2 people can do a work in 10 days, total work is 10 * 2 = 20 units of work.
Therefore, one day one man work = 1/total work = 1/20 units of work

3.       Three men can do a work in 15 days. One man can do a work in how many days?
Ans: Since it is given as 3 people can do a work in 15 days, total work is 15 * 3 = 45 units of work.
Therefore, one man can complete the work in 45 days

4.       One man one day work is 1/25. In how many days, can he finish the work?
Ans: Number of days required = 1/(1/25) = 25 days

1 comment:

  1. The strength of a school is 825.24% of pupil are girls.Find the number of boys.

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