Latest MAQ Aptitude Question SOLUTION: A contractor agreed to finish the work in 150 days,employed 70 men each working 8 hours daily.After 90 days only 2/7th of the work completed.Increasing the no.of men by x each work

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(#M40089530) MAQ Numerical Ability question Keep an EYE

A contractor agreed to finish the work in 150 days,employed 70 men each working 8 hours daily.After 90 days only 2/7th of the work completed.Increasing the no.of men by x each working now for 10 hours daily.The work can be completed in time ?Find X
a.100
b.110
c.150
d.190

Asked In MAQ Nazia parveen (9 years ago)

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MRITUNJAY  (9 years ago)

70*8*90/2/7=60*x*10/5/7
x=210
extra men =210-70=140men
option are not available.

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shreya  (9 years ago)

Total work done in days = 150
employee = 70 working hrs = 8
after 90 days completed work = 2/7

let we have 70 works that will completed in 150 days
then
work done in 90 days = (2/7) of 70 = (2/7)*70 = 20 works
remaining work done in 60 days = 50 works



formula : W2*D1*M1*H1 = W1*D2*M2*H2

50*90*70*8 = 20 *60*X*10
X = 210
increasing number of men = 210-70
= 140

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Suyash Bharti Dewangan  (9 years ago)

Solution :- a

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Sankararao  (8 years ago)

2/7 of the work needed 90*75*8 man-hours = 54,000 man-hours

so remaining 5/7 of the work will need
(5/2)*54,000 = 135,000 man- hours

days remaining = 150 - 90 = 60
working hours remaining = 60*10 = 600

so men needed = 135,000 / 600 = 225

and INCREASE in men needed = 225 - 75

= 150

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