1.

Suppose p,q,r and real number such that `q=p(4-p),r=q(4-q),p=r(4-r)`. The maximum possible value of p+q+r is

Answer» Correct Answer - C
Add all these `p+q+r=(p^(2)+q^(2)+r^(2))/(3)`
For maximum value p=3, q=3, r=3
Answer is 9.


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