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If the number 517 * 324 is completely divisible by 3, then the smallest whole number in the place of * will be:
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The Probability that a number selected at random from the first 50 natural numbers is a composite number is:
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A coin tossed live times. What is the probability that there is at least one tail?
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If a number is chosen at random from the set {1,2,3,……100}, then the probability that the chosen number is a perfect cube is?
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If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is?
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Three 6 faced dice are thrown together. The probability that all the three show the same number on them is?
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A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
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A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good
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A bag contains 2 yellow, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
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One year ago Jaya was four times as old as her daughter Nikitha. Six years hence, Mrs.Jayas age will exceed her daughters age by 9 years. The ratio of the present ages of Jaya and her daughter is :
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