Quantitative Aptitude - Arithmetic Ability Questions

The sum of the cubes of two numbers in the ratio 3 : 4 is 5824. The sum of the numbers is:

Simple interest on a sum of Rs 3300 for 5 years is Rs 1980. What is the annual rate (in percentage) of interest?

If cos 60° - sec 30° = x, then the value of x is

Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to

Find the value of 'a' for which x+3x+a24 is a perfect square.

What is the value of 7293 + 441 - 3433 ?

If 2(3x-2) < 6-3x and 6x + 2(6-x) > 2x-2, then x can take which of the following values?

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