Quantitative Aptitude - Arithmetic Ability Questions

If the radius (r) of a circle is increased by 'x' units, what is the number of units by which the circumstance of the circle is increased?

What is the slope of the line 2x + 3y = 12?

In a triangle the length of the side opposite the angle which measures 60° is 6√3 cm. What is the length of the side opposite to the angle which measures 90°? 

The square root of 3249 is

Product of digits of a 2-digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The number of sides of a regular polygon whose exterior angles are each 72 deg is