Quant Daffodil question.

Q. A box contains 27 marbles some are blue and others are green. If a marble is drawn at random from the box, the probability that it is blue is 1/3. Then how many number of green marbles in the box? A. 10 B. 15 C. 14 D. 18

• Neelam
• 2754 Views
• 6 Answers

• 18

  • Shruti
  • 11 Oct
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• 18

  • Rajat
  • 18 Apr
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• 15

  • Yaseen
  • 09 Mar
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• 18

  • Vibhor
  • 12 Nov
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• 18

  • Pooja
  • 14 Oct
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• Answer – strongD. 18/strongbr /strongExplanation: /strongbr /Blue marble – xbr /xc1/27c1 = 1/3br /x/27=1/3br /x=27/3=9br /No of green marbles = Total – Blue marblebr /=27-9br /=18

  • Shreya
  • 29 Jun
  • 0 Comment

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