Question

Q14. A box contains 90 discs,
numbered from 1 to 90. If one disc
is drawn at random from the box,
the probability that it bears a
number divisible by 10 is:
O 1/90
O 1/9
O
1/10
O none of these​

Answer 1

Step-by-step explanation:

total number of outcomes is 90

favourable outcome is 9 as only 9 numbers between 1 to 90 are divisible by 10

• probability = favourable outcome /total number of outcome
• 10/90=1/10

1. hence option 3) is correct..

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