MBA Exam

The average of n nos. is 4 . If a no. x is added the no. increases to 7. Find x in terms of n.

1) 3n+7
2) n+21
3) n-4
4) n-7

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MBA Other Question

The average weight of a class of 100 students in 45 kg. The class consists of two sections, A and B, each with 50 students. The average weight A1, of section A is less than the average weight A2, of section B. If the heaviest student, Shantanu, of Section B is moved to section A and the lightest student Sunder of section A is moved to section B, then the average weights of the two sections are interchanged. What is weight of Sunder? I. A2 â€“ A1 = 1.II. If Shantanu is moved from section B to section A and Sunder is not moved, then the average weights of the two sections will be equal.

1) if the question can be answered by using statement I alone but not by using statement II alone
2) f the question can be answered by using statement II alone but not by using statement I alone
3) if the question can be answered by using either statement I alone or statement II alone, and
4) if the question can be answered by using both statements I and II together
log(base 20)16 = pfind the value of log(base 10)25 ?

1) 4p/5
2) (4-p)/(8+p)
3) 2p^2/4-p
4) (8-4p)/(4-p)