Quantitative Aptitude - Arithmetic Ability Questions

If 3x + 4y – 11 = 18 and 8x – 6y + 12 = 6, then what is the value of 5x – 3y – 9?

If sin3A = x, then value of x is

If x + 1/x = √13, then 3x(x2-1) equal to

A shop keeper allows 20% discount on the marked price on his articles. Find the marked price of an article for which he charges Rs. 740

Choose the odd word/letters/number/number pair from the given alternatives.

The sum of two numbers is 7 and the sum their squares is 23, their product is equal to:

Ajit is two times as good a workman as Badrinath and therefore is able to finish a job in 30 days less than Badrinath. Working together, they can do it in

The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is :