Quantitative Aptitude - Arithmetic Ability Questions

Marked price of an item is Rs 500. On purchase of 2 items discount is 8%, on purchase of 3 items discount is 16%. Radha buys 5 items, what is the effective discount?

What is the simplified value of cosec 2A + cot 2A?

If 9x+2 = 240 + 9x, the value of (8x)x is

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?

What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?

An equilateral triangle ABC is inscribed in a circle of radius 20√3.
What is the length of the side of the triangle?

(242699 + 167109) ÷ (9946 –9446) = ?