Quantitative Aptitude - Arithmetic Ability Questions

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

If 2y cosθ = x sinθ and 2x secθ - y cosecθ = 3 then what is the value of x2+4y2

Dodecahedron has 20 vertices. How many edges does it have?

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

If sec2θ+tan2θ=3, then sec4θ-tan4θ =

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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 options.

Select the odd word/letters/number/number pair from the given alternatives.

When a number is increased by 34, it becomes 117% of itself. What is the number?