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A bag contains 3 red, 4 white and 7 green balls. A ball is drawn at random. The probability that the ball drawn is $not$ of red colour is :
- (a)$\frac{1}{11}$
- (b)$\frac{3}{14}$
- (c)$\frac{11}{14}$
- (d)$\frac{3}{11}$
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Answer : (C) $\frac{11}{14}$