MBA Exam

If N = 1^1 x 2^2 x 3^6 x 4^12 x 5^20...... 25 terms. Then what is the highest power of 75 that completely divides N?

1) 1900
2) 1850
3) 2526
4) 237
5) NOT

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MBA Other Question

a man sold a certain no of toyz all at a certain price.the no of toys that he sold isa three digit no and tens digit and unit digit is same and non zero,and the price of each toy is a two digit no. by mistake he reversed the digits of both,the no of items sold and the price of each of them. in doing so,he found that his stock account at the end showed 792 items more than it actually was.a.what could be the actual no of toys sold?b.if the faulty calculation show a total sale of rs5117,what is actual SP of each toy?pls also tell the method

1) 911,34
2) 119,37
3) 991,34
4) 991,43
A start walking from a place at a uniform speed of 2 km/hour
in a particular Direction. After half an hour, B starts from the same Place and
walks in the same direction as A at uniform speed and over takes A after 1 hour
48 min. calculate the speed of B ?Solved Sum from Arun Sharma.. I need If any one can come up with new Approach.

1) 20/9
2) 24/9
3) 21/9
4) 23/9