A bowl contains red,black and blue pens in the ratio 9:5:1. If there are 25...
A bowl contains red,black and blue pens in the ratio 9:5:1. If there are 25...
A bowl contains red,black and blue pens in the ratio 9:5:1. If there are 25 blue pens. Find the corresponding new ratio when 30 red and 30 black pens are removed from the bowl.?
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