MBA Exam

A and B start simultaneously from p and q towards q and p resp.The speeds of A and B are 25kmph and 32kmph resp.They meet at R and immediately return to their respective starting positions after exchanging their speeds.If the distance between P and Q is 2000km,then the difference in times taken by A and B to reach their respective starting positions is:

1) 15.5 hrs
2) 20hrs
3) 16hrs
4) 17.5hrs

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MBA Other Question
ΔABC is an equilateral triangle. Point D is the place where the medians of the ΔABC meet. Find the ratio of the areas of two square DJKL and ADFE to the area of the ΔABC.

1) 4 : 3√3
2) 5 : 3√3
3) 3√3 : 4
4) 1 : 2
 define a number k such that it is the sum of the squares of the first M natural nos(i.e k=1^2+2^2+...+m^2), where m<55. how many valuues of m exist such that k is divisible by 4?

1) 10
2) 11
3) 12
4) 13