Quantitative Aptitude - Arithmetic Ability Questions

The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Y­axis to (4,­3). The co­-ordinates of point P are

In the following question, select the odd word pair from the given alternatives.

If 7/8th of 5/4th of a number is 315, then 5/9th of that number is _____

What is the slope of the line perpendicular to the line passing through the points (8,­2) and (3,­1)?

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

If  x = 2+3,then what is the value of 2x + 12x ?

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?

AB is a chord of the circle and its center is “O”. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2√11) cm, find the radius (in cm) of the circle.