1.

A can finish a piece of work in 24 days and B can do the same work in half the time taken by A. Find the working together what part of the same work they can finish in a day?1. 1/52. 1/63. 1/84. 1/10

Answer» Correct Answer - Option 3 : 1/8

Given:

A can do a piece of work = 24 days

B can do a piece of work = 12 days

Concept used:

Total work = LCM

Formula used:

Efficiency = (Total work)/(Total time)

Both can do same in a day = total efficiency ÷ total work

Calculations:

Total work = LCM = 24

Person

Time

Total work

Efficiency

A

24 days

24

24/24 = 1

B

12 days

24

24/12 = 2

 

Total work completed in one day = 1 + 2 = 3

Work done by A and B together in one day = 3/24 = (1/8)th of total work

A and B can do (1/8)th of total work in one day together



Discussion

No Comment Found

Related InterviewSolutions