GMAT (Graduate Management Admission Test) Question:

Which of the following is the greatest?

1. 40% of 30
2. 3/5 of 25
3. 6.5% of 200
4. Five more than the square of 3
5. 1/2-4

Ans : E

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If the area of two circles are in the ratio 169 : 196 then the ratio of their radii is	Two identical taps fill 2/5 of a tank in 20 minutes. When one of the taps goes dry in how many minutes will the remaining one tap fill the rest of the tank?