Quantitative Aptitude - Arithmetic Ability Questions

If a-1a=1, then a2 + 1a2 ?

At what point does the line 2x - 3y = 6 cuts the Y axis?

If 22, x, 88 are in a continued proportion, find the value of x.

Select the odd number from the given alternatives.

If x2 – 12x + 33 = 0, then what is the value of (x – 4)2 + [1/(x – 4)2]?

What should be added to 3(x­ - 2y) to obtain 2(3x + y) -­ 5(2x + 3)?

List price of TV is Rs. 2300 and discount series found to be 25% and 10%. Then the selling price of TV is

In the following question, select the missing number from the given series.
 
1912, 2012, 2133, 2277, 2446, ?