Quantitative Aptitude - Arithmetic Ability Questions

The value of 3x9n+1+9x32n-19x32n-6x9n-1 is equal to

If  P2+1P2 = 47, then the value of P + 1P is

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

Find the odd one out.

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

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

In ∆ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be