A box contains 20 red 25 blue and 5 green coloured balls A ball is picked from this box at random find the probability that the ball is first and second blue or green
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Answer:
30/50
Step-by-step explanation:
No. of blue balls-25
No.of green balls-5
=30
No. of balls in total- 20+25+5
=50
Hope this helps.....
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