Quantitative Aptitude - Arithmetic Ability Questions

What is the average of first 19 odd numbers?

If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is

ΔABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?

If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?

Two successive discounts of 12% and 20% are given by Rajat on a shirt. If the marked price of the shirt is Rs 500, then what is the value (in Rs) of discount?

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

Find the odd numbers/letters/numbers from the given alternatives.

An angle is thrice its complementary angle. What is the measure of the angle?