Quantitative Aptitude - Arithmetic Ability Questions

A's income is 25% more than B's income. B's income is what percent of A's income?

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

The two equations are 4x + 4ky-6=0 and x+6y-12=0. Find the value of k for the pair of two linear equations represents the parallel lines.

Find the odd words/letters/number from the given alternatives.

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

a and b are irrational numbers such that a+b = q is a rational number; then a­b is

What is the simplified value of (cotA + tan B)/(cot B + tan A)?

Ram's father is twice as old as Ram is. Eight years ago the age of Ram's father was 2.5 times his age. What is Ram's current age?