Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

ΔABC is similar to ΔDEF. If the ratio of similar sides is K:1, the ratio of their areas is

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ∠AOP = 50°, then what is the value (in degrees) of ∠APB?

In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?

If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is

A 25m long ladder is rested on a wall. The foot of the ladder is 7m away from the wall. If the end of the ladder (resting on the wall) slides down 4m, then how far will its foot move away?

Which of the following points lies on the line 3x -­ 4y = ­-13?

Calculate the sum of squares from 1 to 9.