Quantitative Aptitude - Arithmetic Ability Questions

Find the odd word/letters/numbers pair from the given alternatives.

If 5x - ­5(3x ­- 2) < 4x -­ 1 < 2 + 2x, then x can take which of the following values?

The perimeter of a square is 30 cm. Find its area (in cm²).

If a3 + b3 + c3 - 3abc = 0, then the value of a2/bc + b2/ac - 3.

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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.

One of four words is a class to which the other three belong. Identify the class.

A man spends 15% of his income. If his expenditure is Rs. 75, his income (in rupees) is:

Two numbers are 40% and 50% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?