12. 17 cards numbered 1, 2, 3, 4, ..., 17 are put in a box and mixed thoroughly. A card is drawn at random from the box. Find the probability that the card drawn bears (i) an odd number (ii) a number divisible by 5. (CBSE 2012]
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Answered by
0
Answer:
15
Step-by-step explanation:
Because 15 is a multiple of 5 and an odd number less than 17.
Answered by
1
Step-by-step explanation:
Total numbers of outcomes = 17
(i) Odd numbers on the cards = { 1, 3, 5, 7, 9, 11, 13, 15, 17 }
Numbers of favorable odd numbers = 9
P (getting an old number) = 9/17
(ii) Numbers divisible by 5 form 1 to 17 = {5, 10, 15}
Number of favorable outcome = 3
P (getting a number divisible by 5) = 3/17
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