Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (5, -2) in the line y = -1?

In ΔXYZ measure of angle Y is 90 deg. If cot X = 5/12, and XY = 2.5 cm, then what is the length (in cm) of side XZ?

If a retailer offers a discount of 28% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?

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

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

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

The inradius of a equilateral triangle is 10 cm. What is the circum-radius (in cm) of the same triangle?

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