Quantitative Aptitude - Arithmetic Ability Questions

If tan θ + cot θ = x, then what is the value of tan4θ + cot4θ?

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is

The cost price of an article is x. It is marked up by 150%. It is sold at Rs 600 after giving 40% discount. What is x (in Rs)?

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?

If 2x+2x=3,then the value of x3+1x3+2 is

The simplest value of 38-212+20318-227+45 is

Mahesh buys a watch of Rs 300 and sells it. Mahesh gives two successive discount of 15% and 6% to the buyer. What will be the selling price (in Rs) ofthe watch?

A vendor buys 12 bananas for Rs 60 and sells 5 bananas for Rs 32. What will be his gain (in %)?