Quantitative Aptitude - Arithmetic Ability Questions

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

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.

Select the odd number from the given alternatives.

What is the equation of the line if its slope is 1/4 and y-­intercept is ­-3?

If 5x ­- 3 ≥ 3 + x/2 and 4x -­ 2 ≤ 6 + x; then x can take which of the following values?

Find the perimeter (in cm) of a semicircle of radius 14 cm.

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).