Quantitative Aptitude - Arithmetic Ability Questions

If x+1x = 2, then x2+1x2 = ?

Breadth of a rectangle is equal to the diagonal of the square whose side is 2.5√2 cm. Ratio between length and breadth of rectangle is 3 : 1. Find the area of the rectangle (in cm2).

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

Which of the numbers given below is the square root of 15376?

The mode of the data 12, 1, 10, 1, 9, 3, 4, 9, 7, 9 is

Points P , Q and R are on a circle such that ∠PQR = 40° and ∠QRP = 60° . Then the subtended angle by arc QR at the centre is

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

What is the slope of the line, perpendicular to the line 3x - 6y = 4?