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 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.

From a square plate with each side 7 cm, squares of area 0.25 sq. cm are cut out at each corner and the remaining plate is folded along the cuts to form a cuboid. The volume of this open-top cuboid will be ......... . cub.cm

A dealer marks a washing machine for Rs. 7500, and allows a discount of 6% on it. Find the selling price

If x +y = √3 and x - y = √2, then the value of 8xy (x2 + y2) is

A complete factorisation of x4 + 64 is

What would be the smaller of the two angles formed by the hour hand and the minute hand at 3:47 p.m?

A dealer sold an article at 6% loss. Had he sold it for Rs. 64 more, he would have made a profit of 10%. Then the cost of the article is

Selling price of an article is Rs 1144. If loss percentage is 12%, then what is the cost price (in Rs) of article?