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There are :
2 red balls, 3 green balls, 7 blue balls in a bag.

If 4 balls are picked then what is probability of h

By Mary

There are :
2 red balls, 3 green balls, 7 blue balls in a bag.

If 4 balls are picked then what is probability of happening of event in which
1st ball is blue, 2nd ball is red, 3rd ball is green and 4th ball is red?​​

About the author
Mary

Express the number pattern given below in an algebraic expression 5,9 13,17​

Find the perimeter of a triangle whose sides are 2a + 3b, ba, 4a-2b.​

2 thoughts on “There are :<br />2 red balls, 3 green balls, 7 blue balls in a bag.<br /><br />If 4 balls are picked then what is probability of h”

  1. Correct option is

    B

    2/10

    Total number of balls =2+3+5=10

    Number of red balls=2

    P(A)=

    Total Number of possible outcomes

    Number of favorable outcomes

    ∴P(A)=

    10

    2

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