Quantitative Aptitude - Arithmetic Ability Questions

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

Two cyclists P and Q cycle at 20 km/hr and 16 km/hr towards each other respectively. What was the distance (in kms) between them when they started if they met after 40 minutes?

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

What is the value of [2 sin (45 + θ) sin (45 – θ)]/cos 2θ?

If 2x+ 4(x - 3) < -2 - x < 2x - 1, then find the value of x.

Find the odd one out.

If x + 3 ≤ 4x + 4 and 3(4 - x) - 4 ≥ 2x - 2, then x can take which of the following values?

If the selling price of an article is doubled, then its loss percentage gets converted into the equal profit percentage. What is the loss percentage?