Aptitude Question of the Day
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Today's Aptitude Question
And here is your question...
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Sachin works 3 times faster than Pratap. If Sachin takes 60 days less than Pratap to complete a work then how many days it would take to complete the work if both of them work together?
Answer
Solution
Lets assume that Pratap can complete the work in N Days. Then Sachin can complete the same work in N/3 days.
=> N-60=N/3
or, N=90
Which means, Pratap can complete the job in 90 Days and Sachin can complete the job in 30 days.
Work done by Sachin and Pratap together in 1 day = 1/30 + 1/90 = 2/45
Total number of days taken by Sachin and Pratap Together = 1/(1 day of work by both)
= 1/(2/45)
= 45/2 days
Which means both of them can complete the work in 45/2 days.
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