Quantitative Aptitude - Arithmetic Ability Questions

If Cos θ = 5/13, then Cosec θ = ?

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)

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?

If cosecA - cotA = x, then the value of x is

A canteen requires 56 kgs of rice for seven days . The quantity of rice required for the months of April and May together is

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

What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?