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Let alpha, beta be the roots of x^2-x+p...

Let `alpha, beta ` be the roots of `x^2-x+p=0 and gamma, delta ` be the roots of `x^2-4x+q=0` such that `alpha, beta, gamma, delta` are in G.P. and `pge2. If a,b,c epsilon {1,2,3,4,5},` let the number of equation of the form `ax^2+bx+c=0` which have real roots be r, then the minium value of p q r =

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