Quantitative Aptitude - Arithmetic Ability Questions

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

The two roots of an quadratic equation are given as x = 1/2 and x = -1/3. The equation can be written as

If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is

The copper wire when bent in the form of a square encloses an area of 121 cub.cm. If the same wire is bent into the form of a circle, find the area of the circle.

If triangle ABC = triangle XYZ and angle BAC = 55 deg, then angle ZXY = ?

N invented Rs.20,000 in a business. Six months later, C joined him with Rs. 10,000. At the end of the year, the profit was Rs. 10,000. What should be the share of N?

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 options.

If three successive discounts of 20%, 30% and 40% are given, then what will be the net discount (in percentage)?