**Aptitude and Reasoning**

**Aptitude and Reasoning**

TIME,WORK AND PIPES

If the person ‘A’ can do the work in ‘x’ days, then his one day’s work = 1/

If the person ‘B’ can do the same work in ‘y’ days, then his one day’s work = 1/

(A + B)’s one day work = 1/+1/

Total work done by A + B = & / & = × / +

Total work done by A or B = & / & = × / −

**Standard formula:**

(1 1 1) / 1 = (2 2 2) / 2

Here,

M = Man/Woman/Boy/Girl/

D =Days

H = Hours

W = Capacity/Efficiency

** **

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