Cards being number 3, 6, 9, 12,15, 18, 21,24, 27, 30 are put in a box.
A card is drawn at random from the box. Find the probability of getting
i.An even number
ii.A number divisible by 6
iii.A number less than 30 and greater than 12.
iv.A perfect square.
Answers
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Step-by-step explanation:
i. 1/2
As there are 5 even numbers in the group. 6, 12, 18, 24 and 30 and total 10 numbers, the answer will be 5/10. Simpler form is 1/2.
It also equals to 50%.
ii. 1/2
As there are 5 numbers divisible by 6. 6, 12, 18, 24 and 30 and a total of 10 numbers, the answer will be 5/10. Simpler form is 1/2. It also equals to 50%.
iii. 1/2
As there are 5 numbers greater than 12 and lesser than 30. 15, 18, 21, 24 and 27 and a total of 10 numbers, the answer will be 5/10. Simpler form is 1/2. It also equals to 50%
iv. 3/10
There are 3 numbers which are perfect squares. 9, 16 and 25 and a total of 10 numbers. So, the answer will be 3/10. It also equals to 30%
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