Quantitative Aptitude - Arithmetic Ability Questions

Rearrange the jumbled up letters in their natural sequence and find the odd one out.

How many solutions does a pair of linear equations will have, if the equations are 4x+5y-6=0 and 16x+20y+20=0?

The number of diagonals in a pentadecagon is

What is the square root of 6561?

The two roots of an quadratic equation are given as x = 2/3 and x = -1/2. The equation can be written as

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.

A man standing on the bank of river observes that the angle subtended by a tree on the opposite bank is 60°. When he retires 36 m from the bank, he finds that the angle is 30°. The breadth of the river is

Find the curved surface area (in cm2) of a right circular cylinder of diameter 7 cm and height 6 cm.