CAT Exam

If n is positive integer such that 2n has 28 positive divisors and 3n has 30 positive divisors, then how many positive divisors does 6n have?

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CAT Other Question

TWO GLASSES OF EQUAL VOLUME ARE RESPECTIVELY HALF AND THREE FOURTHS FILLED WITH MILK,THEY ARE THEN FILLED TO THE BRIM BY ADDING WATER,THEIR CONTENTS ARE THEN POURED INTO ANOTHER VESSEL,WHAT WILL BE THE RATIO OF MILK TO WATER IN THIS VESSEL Excluding stoppages, the speed of a bus is 54 km/hr and including stoppages, it is 45 km/hr. For how many minutes does the bus stop per hour ?