Question

Numbers 1 to10 are written on ten separate slips, kept in a box and mixed well.One slip is chosen from the box without looking in to it.What is the probability of i. Getting a number greater than 7​

Answer 1

Answer:

Solution

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(i) Total slips: 10

Probability of getting a number 6⇒

10

1

(ii) Numbers less than 6:1,2,3,4,5

Probability ⇒

10

5

=

2

1

(iii) Number greater than 6 are 7,8,9,10

Probability ⇒6⇒

10

4

=

5

2

(iv) Single digit: 1,2,3,4,5,6,7,8,9

Probability =

10

9