Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letters/number from the given alternatives.

If 4x2= 152- 92, then value of x is

What is the value of cosec 3π/4?

If x2 + (1/x2) = 1, then what is the value of x48 + x42 + x36 + x30 + x24 + x18 + x12 + x6 + 1?

An article was sold at Rs. 950 allowing 5% discount on the marked price. The marked price of the article is

The marked price of a shirt is twice of the cost price. To earn a gain of 25%, what should be the discount percentage?

The ratio of the sides of a triangular shaped park is 3 : 4 : 5 and the perimeter of the park is 170 m. What is the perpendicular distance in meters from the vertex, opposite to the largest side of the park?

What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?