one is asked to say a two diggit number. what is the probability of it being multiple of 7
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0
No. of two digit numbers=90
No. of two digit numbers which are perfect square=6
Probability that the number is a perfect square=6/90=1/15
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5
Answer:
There are 90 2-digit positive integers, while there are 13 2-digit positive integers divisible by 7.
Hence the probability is 13/90.
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