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If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, what is the average of x, y, and z in terms of m?

A) m+6

B) m +7

C) 2m+14

D) 3m+21

Pick a number.  Double it. Multiply the result by 3.  Add 24. Divide by 6. Subtract your original number.  Is the result always the same? Write a convincing argument for your answer.

If 15 is added to a number then it is increased by 20%. Find the Original number?

a. 55

b.65

c.75

d.90

e. None of the above

General Aptitude question from gate.

plz visit my profile for solution.

If the annual increase in the population be 20% and the present population be 10,000. What will be the population after 3 years hence?

a.16000

b.17280

c.14400

d.17820

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What is the topology?

Two vectors A and B lie in the xy plane and
are given by
A = Ax i + Ay j
B = Bx i + By j .
where Ax = 5.68 m, Ay = 0.027 m, Bx =
2.5 m, By = -5.4 m.
Find the magnitude of R = A + B.
Answer in units of m.Find the angle (between -180 and +180
with counterclockwise positive) that the vec-
tor R makes from the positive x axis.
Answer in units of .

In which year did Subhash Chandra Bose take over the command of the Azad Hind Fauj?