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In the Probability that the Digit is a Multiple of 3 is - Mathematics

MCQ

In the probability that the digit is a multiple of 3 is

Options

  • \[\frac{1}{3}\]

  • \[\frac{2}{3}\]

  • \[\frac{1}{9}\]

  • \[\frac{2}{9}\]

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Solution

digits are chosen from 1, 2, 3, 4, 5, 6, 7, 8, 9 are placed in a box and mixed thoroughly. One digit is picked at random.

TO FIND: Probability of getting a multiple of 3

Total number of digits is 9

Digits that are multiple of 3 are 3, 6 and 9

Total digits that are multiple of 3 are 3

`"We know that PROBABILITY" =" Number of favourablr event"/"Total number of event"`

Hence probability of getting a multiple of 3 is `3/9=1/3`

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APPEARS IN

RD Sharma Class 10 Maths
Chapter 16 Probability
Q 3 | Page 36
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