Quantitative Aptitude - Arithmetic Ability Questions

If tan a = √3 + 2, then the value of tan a - cot a is

If (a+1a)2=3,then the value of a6-1a6 will be

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

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

If 9x = 24311, then what is the value of x?

The order of rotational symmetry of a rectangle is

If the amount received at the end of 2nd and 3rd year as Compound Interest on a certain Principal is Rs 2100, and Rs 2268 respectively, what is the rate (in %) of interest?

What is the slope of the line 4x - 8y = 3?