GMAT (Graduate Management Admission Test) Question:

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Two cogged wheels of which one has 32 cogs and other 54 cogs, work into each other. If the latter turns 80 times in three quarters of a minute, how often does the other turn in 8 seconds?

GMAT Interview Question
GMAT Interview Question

Answer:

1. 48
2. 135
3. 24
4. None of these

Ans : C

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If 20 men or 24 women or 40 boys can do a job in 12 days working for 8 hours a day, how many men working with 6 women and 2 boys take to do a job four times as big working for 5 hours a day for 12 days?The monthly incomes of A and B are in the ratio 4 : 5, their expenses are in the ratio 5 : 6. If A saves Rs.25 per month and B saves Rs.50 per month, what are their respective incomes?