Quantitative Aptitude - Arithmetic Ability Questions

The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tangent to the length of the transverse common tangent?

Find out the odd word/letters/number/number pair from the given alternatives.

If √x ­- √y = 1 , √x + √y = 17 then √xy = ?

If a = 3+23-2, b = 3-23+2 then a2+b2-ab ?

If P = 5X and Q = X, then P is how much percentage more than Q?

Out of two numbers, 65% of the smaller number is equal to 45% of the larger number. If the sum of the numbers is 2574, then what is the value of larger number?.

If a+1a2 = 3, then the value of a18+ a12+a6 + 1 is

ABCD is an isosceles trapezium such that AD||BC, AB = 5 cm, AD = 8 cm and BC = 14 cm. What is the area (in cm2) of trapezium?