If p and q are positive integers, then which one of the following equations has `p-sqrt(q)` as one of its roots ?

If p and q are the roots of x^2 +px + q = 0 , then which one of the following is correct ?

If p,q are odd integers, then the roots of the equation 2px^(2)+(2p+q)x+q=0 are

If 'p then q' has its converse 'q then p'.

Which one of the following is correct for the truth value of (p ^^ q) to -p?

If p. q are odd integers. Then the roots of the equation 2px^(2)+(2p+q)x+q=0 are

If p and q are odd integers, then the equation x^2+2px+2q=0 (A) has no integral root (B) has no rational root (C) has no irrational root (D) has no imaginary root