Quantitative Aptitude - Arithmetic Ability Questions

Expanded and simplification of (x + 3)(x - 1) will be equal to

If Sec θ = 13/12, then Cot θ = ?

In the given figure, PQR is a right angled triangle at Q. If PQ = 35 cm and QS = 28 cm, then what is the value (in cm) of SR?

Twenty one times of a positive number is less than its square by 100. The value of the positive number is

The sum of thrice a number and twice its reciprocal is 97/4. What is the number?

If the sum of squares of three consecutive natural number is 2702. Then, what will be the middle number?

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?