MBA Exam

In four digit number sum of first two digits is equal to that of last 2 digits. The sum of first and last digit is equal to 3 digit. Finally , the sum of the second and fourth digits is twice the sum of the other 2 digits. What is third digit of the number.

1) 5
2) 8
3) 1
4) 4
5) 3

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MBA Other Question

p(0,b) and R(a,o) are two vertices of triangle PRQ. when the origin is shifted to the point(a,-b) the centroid of the triangle PQR in the new co-ordinate system is (-a,b) The co=ordinates of Q in the original system are:

1) (0,0)
2) (a,b)
3) (-a,b)
4) (-a,-b)
How many natural numbers less than 100 are such that their reciprocal can be expressed as a terminating decimal?

1) 12
2) 14
3) 15
4) None of these