Quantitative Aptitude - Arithmetic Ability Questions

A merchant changed his trade discount from 25% to 15%. This would increase selling price by

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is

Point P is the midpoint of segment AB. Co-ordinates of point P are (2,1) and point A are (11,5). Co-ordinates of point B are

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 Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

If a - b = -1 and ab = 6, then what is the value of a3- b3?

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

What is the value of tanπ4+A×tan3π4+A ?