Quantitative Aptitude - Arithmetic Ability Questions

A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss ?

What is the measure of an interior angle of a regular decagon?

Rs 18200 is divided among X, Y and Z in the ratio of 1/3 : 1/4 : 1/2. What is the share (in Rs) of X ?

If a : b = c : d = 1 : 6, then what is the value of a2+c2b2+d2?

At what rate of compound interest per annum will a sum of Rs 20000 become Rs 23328 in 2 years?

A rice trader buys 20 quintals of rice for Rs 8,580. However, 22% rice is lost in transportation. At what rate should he sell to earn 20% profit?

Sita told her friend Gita " I am leaving today and will reach Mumbai tomorrow for my exams starting the day after tomorrow, which is Friday". What day is tomorrow in this conversation?

In the given figure, PQR is an equilateral triangle with side as 12 cm. S and T are the mid points of the sides PQ and PR respectively. What is the area (in sq.cm) of the shaded region?