Delhi University`s Department of Commerce provides a 2 year full time Master of Buisness Administration program in International Business. Find here the fully solved Quantitative Aptitude section from the Entrance exam conducted by Delhi University for MBA Admissions. The exam was conducted in February 2010. The section has 25 questions in it.
1. If 8 boys and 12 women can do a piece of work in 25 days, in how many days can the work be done by 6 boy and 11 women working together?
(1) 35 days
(2) 21 days
(3) 47 days
(4) Cannot be determined
Answer: 4
2. There three taps P, Q and R in a tank. They can fill the tank in 10 hours, 20 hours and 25 hours respectively. At first, all of them are opened simultaneously. Then after 2 hours, tap R is closed and P and Q are kept running. After the fourth hour, tap Q is also closed. The remaining wok is done by tap P alone. Find the percentage of work done by tap P itself.
(1) 32%
(2) 52%
(3) 75%
(4) None of these
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