the ratio of white balls to black balls is 1:2. if 9 balls
are added then the ratio of the balls become 2:4:3. find
the number of black balls. a) 12 b) 6 c)9 d)none
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Answer Posted / sphinx
how can grey balls come from nywhere? the ratio is only
given for two types of balls, then how come there is
another color of balls added?
| Is This Answer Correct ? | 5 Yes | 1 No |
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