Quantitative Aptitude - Arithmetic Ability Questions

The value of a machine depreciates at the rate of 20% per annum. If its present value is Rs 96000, then what was the value (in Rs) of the machine 2 years ago?

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points the team scored was

The sum of the cubes of two numbers in the ratio 3 : 4 is 5824. The sum of the numbers is:

The product of two numbers is 0.432. One of the numbers is 1.6. What is the other number?

The radius of a hemisphere is 21 cm, what is its volume? (Take π = 22/7)

What is the simplified value of (cosec A + sin A)(cosec A – sin A)?

The perimeter and the breadth of a rectangle are 82 cm and 20 cm respectively. Calculate the length of its diagonal (in cm).