Quantitative Aptitude - Arithmetic Ability Questions

An angle is smaller than its supplementary angle by 70°. What is the measure of the angle?

If √(1 - cos2A)/cosA = x, then the value of x is

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

If (X/4) = (Y/5) = (Z/9), then what is X : Y : Z?

Find the circumference (in cm) of a circle of radius 10.5 cm

A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?

Δ LMN is right angled at M. If m∠N = 60 deg., then Tan L =______.

If the shopkeeper sells an item at Rs 1250 which is marked as Rs 1500, then what is the discount he is offering?