Quantitative Aptitude - Arithmetic Ability Questions

If 169 is subtracted from the square of a number, then the result obtained is 7056. What is the number?

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A boy buys 5 pencils at Rs 3 each, 3 erasers at Rs 2 each and 3 sharpeners at Rs 5 each. What is the average expenditure (in Rs) per article?

The difference between compound interest and simple interest on Rs. 5000 for 2 years at 8% per annum payable yearly is

What is the fourth proportional to 24, 120 and 22?

The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).

The sum of two positive integers is 80 & difference between them is 20. Then what is difference of squares of those numbers ?

2cos[(C+D)/2]sin[(C-D)/2] is equal to