A bag contains 15 red balls and 20 black balls. Each ball is numbered either 1 or 2 or 3. 20% of the red balls are numbered 1 aild 40% of them are numbered 3. Similarly, among the black balls, 45% arc numbered 2 and 30% are numbered 3. A boy picks a ball at ran...
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13,000
18,000
28% off
13,000
18,000
28% off
3,999
5,499
27% off
999
1,499
33% off
5.0
13,000
5.0
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