Cards numbered 7 to 40 were put in a box. Poonam selects a card at random. what is the probability that poonam selects a card which is a multiple of 7
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16
Answer:
Total no.of these outcomes=5
(i)Probability of a number getting a perfect square=5/23 = 1/8
Numbers which are multiple of 7 between 7 to 40=7,14,21,28,35,
Total no.of these outcomes=12
(ii)Probability of a number getting multiples of 7= 12/90 = 6/45
anu5174:
❌ wrong
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6
Answer:
There is a probability of Poonam selecting the multiples of 7, by 16%.
Since only 33 cards are there in the box, there would be 5 multiples of 7.
For solving the mathematical problems, you must consult the checks of correct formulae and discussion with your teachers. In order to reach the appropriate solution.
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