Quantitative Aptitude - Arithmetic Ability Questions

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

Select the odd number from the given alternatives.

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?

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

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).

The base area of a right pyramid is 57 sq. units and height is 10 units. Then the volume of the pyramid is