Quantitative Aptitude - Arithmetic Ability Questions

In Δ ABC, the median AD is 8 cm and CB is 16 cm, measure of angle CAB is_____ .

If α and β are the roots of equation x2 – 2x + 4 = 0, then what is the equation whose roots are α3/β2 and β3/α2?

If 1/√(1+tan2A) = x, then value of x is

The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?

Marked price of an item is Rs 500. On purchase of 2 items discount is 8%, on purchase of 3 items discount is 16%. Radha buys 5 items, what is the effective discount?

On a television of brand A the discount is 25% and on television of brand B the discount is 40%. The price of B after discount Rs 2,250 greater than the price of A after discount. What is the marked price of A (in Rs) if marked price of B is Rs 35,000?

If the selling price is Rs 855 after getting a discount of 5%, what was the marked price?

30% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?