Question

a bag contains 5 red,6 blue and 7 black c
ards. if one card is drawn at random,find the probability that it is black?​

Answer 1

Answer:

1/18

Explanation:

it's very simple

no. of red cards: 5

numbers of blue card: 6

number of black Card: 7

number of cards to be drawn out:1

probably: number of cards to drawn out/ total number of black cards

= 1/7

ANS

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Answer 2

Ans. probability of Black cards is 7/18