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 options.

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

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

 In the following question, select the odd letter/letters from the given alternatives.

Find the odd word/letters/number pair from the given alternatives

If x -­ y = ­7 and x + y = 13, then x2 - y2 is

The HCF of two numbers is 12 and their LCM is 72. If one of the two numbers is 24, then the other number is

If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0, then value of (x + y - z) is