Quantitative Aptitude - Arithmetic Ability Questions

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

If x-1x = 10, then find the value of x4+1x2

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.

If (9 - 3x) - (17x - 10) = -1, then the value of x is

If  x=2+32-3, then what is the value of x+1/x ?

D and E are the points on the sides AB and AC respectively of a ΔABC and AD = 8 cm, DB = 12 cm, AE= 6 cm and EC = 9 cm, then BC is equal to:

Simplify 81x2 - 49y29x + 7y

If A : B = 3 : 4 and B : C = 6 : 5 then A : (A + C) is