LIC AAO Model Paper 6

Question : 54 of 160

Marks: +1, -0

A certain number of persons can complete a work in 100 days. If there be 10 persons less, it would have taken 10 days more for the work to be completed. The number of persons in the beginning was

90
105
110
120
None of these

Validate

Solution:

\table \Men ; x ; x-10

\table \Days ; 100 ; 110

⇒

{x-10}/x

{100}/{110}

⇒ 11x - 110= 10x
⇒ x = 110 men

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