Quantitative Aptitude - Arithmetic Ability Questions

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

At 15% discount the selling price of a microwave oven is Rs 34000, what is the selling price if the discount is 37.5%?

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

What is the value of Tan 60 + Cosec 60?

On a certain principal if the Simple interest for two years is Rs 3000 and Compound interest for the two years is Rs 3225, what is the rate of Interest?

A cuboid has dimensions 8 cm x 10 cm x 12 cm. It is cut into small cubes of side 2 cm. What is the percentage increase in the total surface area?

What is the fourth proportional to 72, 168 and 150?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

24.97% of 84.01 ÷ 6.995 = ?