Quantitative Aptitude - Arithmetic Ability Questions

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

The points A(x,2), B(­2,1) and C(6,­3) are collinear. Find x?

If sin ­- 5π/3 = x, then the value of x is

In ∆DEF measure of angle E is 90°. If secD = 25/7, and DE = 1.4cm, then what is the length (in cm) of side DF?

The sum of two angles of a triangle is 116o and their difference is 24o . The measure of smallest angle of the triangle is

The length, breadth and height of a cuboid are in the ratio 19 : 11 : 13. If length is 30 cm more than height, then what is the volume (in cub.cm) of this cuboid?

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

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