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    an urn contains 6 red, 3 blue and 2 green marbles. if 2 marbles are picked at random, what is the probability that both are red?

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    Question

    An urn contains 6 red, 4 blue and 3 green marbles. If 2 marbles are picked at random, then what is the probability that both the marbles are red?

    Open in App Solution

    The correct option is B

    5/26 P(E) = 6 C 2 13 C 2 = 5 26 .

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    स्रोत : byjus.com

    Anurn contains 6 red,4 blue ,2 green and 3yellow marbles If two marbles are picked at random , what is the probability that both are red ?

    Number of way of selecting 2 red marbles from 6 red marbles =""^(6)C(2)=15 Number of ways of selecting 2 marbles from urn ="^(15)C(2)=105 Required probability =(15)/(105)=(1)/(7)

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    Anurn contains 6 red,4 blue ,2...

    Anurn contains 6 red,4 blue ,2 green and 3yellow marbles

    If two marbles are picked at random , what is the probability that both are red ?

    Updated On: 27-06-2022

    00 : 23

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    Text Solution Open Answer in App A 1 6 16 B 1 3 13 C 2 15 215 D none of these Answer

    The correct Answer is D

    Solution

    Number of way of selecting 2 red marbles from 6 red marbles

    = 6 C 2 =15 =6C2=15

    Number of ways of selecting 2 marbles from urn

    = 15 C 2 =105 =15C2=105

    Required probability

    = 15 105 = 1 7 =15105=17

    Answer

    Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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    An urn contains 6 red 5 blue and 2 green marbles

    An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red? a) $$\frac{6}{{13}}$$ b) $$\frac{{5}}{{26}}$$ c) $$\frac{{5}}{{13}}$$ d) $$\frac{{7}}{{26}}$$

    Examveda

    An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red?

    A. 6 13 613 B. 5 26 526 C. 5 13 513 D. 7 26 726

    Answer: Option B

    Solution(By Examveda Team)

    P(Both are red), = 6 C 2 13 C 2 = 5 26 =6C213C2=526

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