Quantitative Aptitude - Arithmetic Ability Questions

If a-1a=1, then a2 + 1a2 ?

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

Select the odd number from the given alternatives.

Select the odd number from the given alternatives.

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

If 9x - 6(3 - x) = 12, then the value of x is

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

Two circles touch externally. The sum of their areas is 130π sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is