Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is not a prime number?

A sum becomes Rs 1392 in 2 years and Rs 1488 in 3 years at simple interest. What is the rate (in percentage) of interest per annum?

If a2+1=9a, (a≠0) then the value of a2+1a2 is

The sum of the parallel sides of a trapezium is 12.4 cm. If the distance between the parallel sides is 3.5 cm, what is the area of this trapezium?

The diagonals of two squares are in the ratio 5:2.The ratio of their area is

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

The base of a triangle is half the base of a parallelogram having the same area as that of the triangle. The ratio of the corresponding heights of the triangle to the parallelogram will be

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