MBA Exam Numerical Ability Age Problem

The average age of a group of children increases by 1 year if a 9 year old joins the group and decreases by 2 years if a 11 year old leaves the group. Find the number of children in the group.

1) 8
2) 6
3) 5
4) 7

Read Solution (Total 2)

MBA Other Question

The perimeter of an isoscles trapezium is 16 cm and the shorter parallel side is one-third of the longer parallel side. If the sum of the lengths of the opposite sides of the trapezium are equal, what is the area (in sq. cm.) of the trapezium.

1) 4√3
2) 8√3
3) 12√3
4) 16√3
5) 10√3
A number has exactly 32 factors out of which 4 are not composite. Product of these 4 factors(which are not composite) is 30. How many such numbers are possible?

1) 2
2) 4
3) 6
4) 3
5) Not possible.