Quantitative Aptitude - Arithmetic Ability Questions

What will be the next set of numbers in the series? (2,3), (3,5), (5,7), (7,11), (11,13), ___

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

What is the value of √[(1 + sinA)/(1 -­ sinA)]?

There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

If 3 dozen guavas cost Rs. 90, how many guavas can be bought for Rs. 240?

If x2-3x+1=0, then x+1x is (x≠0)