Quantitative Aptitude - Arithmetic Ability Questions

How many three digit whole numbers are there between 75 and 405?

A right circular conical structure stands on a circular base of 21m diameter and is 14m in height. The total cost of colour washing for its curved surface at Rs. 6 per sq. m. is
(Take Π = 22/7 )

The side of an equilateral triangle is 8 cm. Find its area (in cm2).

The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.

Which value among 53, 64,126,27612 is the largest?

Select the odd word/letters/number/number pair from the given alternatives.

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

The point R(a,b) is first reflected in origin to R1 and R1 is reflected in x­axis to (­-4,2). The co-­ordinates of point R are