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Frequently Asked Cognizant Numerical Ability - Time and Work Interview Questions with Answers

(#M40156573) COGNIZANT QUESTION Aptitude Keep an EYE

A water filter takes 40 minutes to filter 20 liters of water Another filter of same specifications takes 30 minutes to filter the same amount of water If both the filters are used at the same time, then how long will it take them to filter 70 liters of water?
A) 30 minutes
B) 45 Minutes
C) 60 minutes
D) 90 minutes

Asked In Cognizant B NAGA DHEERAJ (9 years ago)

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(#M40157324) COGNIZANT QUESTION Quants Keep an EYE

A can finish a job alone in 42 days and C can do the same in 35 days. A and B both work on the project for 5 days, after which B leaves for vacation. A works for a day alone, after which C joins him and they both work together on the project for 8 days, after which A leaves for vacation. C works on the project alone for a day, after which B returns and both B and C together finish the project in 5 days. How long will it take for B to finish the project alone?
a. 35 days
b. 42 days
c. 37.5 days
d. 44 days

Asked In Cognizant lohitha (9 years ago)

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