MBA Exam

Three classes, A, B and C, have a total of 100 students. The students of all the three classes wrote a test. The average marks of all the three classes was 84, of A and B was 73 and of B and C was 87.5. Find the number of students in A, if the average marks of A and the average marks of C are 70 and 95 respectively.

1) 25
2) 30
3) 50
4) 20

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MBA Other Question

In how many ways can 600 be expressed as a sum of two or more consecutive natural numbers??(Need a simple approach to solve this)

1) 14
2) 7
3) 6
4) 5
A geometric progression of infinite terms has its first term as 2. If each of its terms is cubed, each term in the progression formed would be 7 times the sum of the terms following it. Find the sum to infinity of the progression formed by squaring each of its terms.1. 8/3 2. 10/3 3. 16/3 4. 20/3 5. 22/3

1) 1
2) 2
3) 3
4) 4
5) 5