Quantitative Aptitude - Arithmetic Ability Questions

If the angle subtended by the radius of the circle and vertex B of the triangle ABC is 400. Then calculate the value of ∠BAC

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

In the following question, select the odd letters from the given alternatives.

The value of sec217°-1tan273°-sin17°sec73°

x, y be two acute angles, x + y < 90° and sin(2x - 20°) = cos(2y + 20°), the value of tan(x + y) is

If x+1/x = 2, then the value of x7+2/x6 is equal to?

What is the value of 64% of 75% of 8100?

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is