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A Box Contains Loo Red Cards, 200 Yellow Cards and 50 Blue Cards. If a Card is Drawn At Random from the Box, Then Find the Probability that It Will Be A Blue Card - Mathematics

A box contains loo red cards, 200 yellow cards and 50 blue cards. If a card is drawn at random from the box, then find the probability that it will be a blue card

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Solution

Total no. of possible outcomes = 100 + 200 + 50 = 350 {100 red, 200 yellow & 50 blue}

E ⟶ event of getting blue card.

No. of favourable outcomes = 50 {50 blue cards}

P(E) = `"No.of favorable outcomes"/"Total no.of possible outcomes"`

P(E) = 50/350 =1/7

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APPEARS IN

RD Sharma Class 10 Maths
Chapter 16 Probability
Exercise 16.1 | Q 43.1 | Page 23
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