MBA Exam

Rajesh started in his car from P towards town Q at 51km/hr. After every minute, the speed of his car increased by 1km/hr. The distance between P and Q is (3775/60)km. Find the time he would take to reach Q (in minutes).

1) 40
2) 45
3) 55
4) 50

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MBA Other Question

what is the remainder when 8^643 is divided by 132

1) 116
2) 117
3) 120
4) 109
A and B are the subsets of the set of integers, and A + B is the set containing all possible numbers of the form a + b where a is an element of A and b is an element of B. If A has 2010 elements andB has 2011 elements, then what is the minimum number of elements in A + B?
plz. share your approach !!!

1) 2011
2) 4021
3) 4020
4) none of these