Question
A number is chosen at random from first 20 natural
numbers. Find the probability that the chosen number is prime.Solution
Prime numbers up to 20 = 2, 3, 5, 7, 11, 13, 17, 19
Required probability = (8/20) = (2/5)
More Probability Questions
564.932 + 849.029 – 425.08 = 612.095 + ?
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A sum of ₹60,000 is invested at a compound interest rate of 'x%' per annum, compounded annually, and grows to ₹75,264 in 2 ye...
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
³√? × 33.97 + 59.99 × 28.9 – 48.98 × 21.42 = 1085.344
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What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
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