Quantitative Aptitude - Arithmetic Ability Questions

The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?

Which of the following option is CORRECT about the figure shown below?

In ΔPQR measure of angle Q is 90 deg. If tanP = 24/7, and PQ = 14cm, then what is the length (in cm) of side QR?

The surface area of a sphere is 2464 cm². Find its diameter (in cm).

The total surface area of a cube is 337.5 cm². Find its side (in cm).

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?

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

In ΔDEF measure of angle E is 90 deg. If cotD = 8/15, and DE = 16cm, then what is the length (in cm) of side EF?