Quantitative Aptitude - Arithmetic Ability Questions

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?

A right circular cylinder has height as 18 cm and radius as 7 cm. The cylinder is cut in three equal parts (by 2 cuts parallel to base). What is the percentage increase in total surface area?

What is the value of Cot 45° + Cosec 60°?

What is the value of Sec 30° + Tan 60°?

What is the value of {[sin (x + y) – 2 sin x + sin (x – y)]/[cos (x – y) + cos (x + y) – 2 cos x]} × [(sin 10x – sin 8x)/(cos 10x + cos 8x)]?

When a number is increased by 42, it becomes 121% of itself. What is the number?

Divide Rs. 288 in the ratio 2 : 3 : 5 : 6. The rupees in the respective ratios are given by

If 1/√(1 + cot2A) = x, then value of x is