Quantitative Aptitude - Arithmetic Ability Questions

If cosecA - cotA = x, then the value of x is

A person borrows some money for 4 years at the rate of simple interest. If the ratio of principal and total interest is 5 : 1, then what is the rate ( in percentage) of interest?

The inradius of a equilateral triangle is 10 cm. What is the circum-radius (in cm) of the same triangle?

If Cos θ = 5/13, then Cosec θ = ?

The area of a square is 40.5 cm². Find the length of its diagonal (in cm).

In triangle ABC, AB = 8 cm, angle A is bisected internally to intersect BC at D. BD = 6 cm and DC = 7.5 cm. What is the length of CA?

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

Dealer purchased an article for Rs. 900 and fixes the list price in such a way that he gains 20% after allowing 10% discount, then the list price is