If $$\left( {1 - p} \right)$$ is a root of quadratic equation $${x^2} + px + \left( {1 - p} \right) = 0$$ then its root are

If one root of the equation $${x^2} + px + 12 = 0$$ is 4, while the equation $${x^2} + px + q = 0$$ has equal roots,
then the value of $$'q'$$ is

How many ways are there to arrange the letters in the word GARDEN with vowels in alphabetical order

The number of ways of distributing 8 identical balls in 3 distinct boxes so that none of the boxes is empty is