Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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?

Find the range of the data 2, 1, 2, 3, 5, 4, 7, 3, 5, 2, 4.

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

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

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

What is the distance between the points (3 , 6) and (-2 , -6)?

What sum will produce the same interest in 9 years at the rate 8% simple interest as Rs. 800 producein 3 years at 9/2% per annum?