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Q1. 17 cards numbered 1 to 17 are put in abox and mixed . Find the probability that anumber on card is odd , a prime , divisible by 3 .




Q2. The king , queen and jack of clubs are removed from a deck of 52 playing cards and well - shuffled . One card is selected from remaining cards . Find the probability of getting heart , king , and club.




Q3. A bag contains 5 red balls and some blue balls . If the probability of drawing a blue ball is double that of ared ball , find the number of blue balls in a bag.




Q4. Cards marked from numbers 2 to 101 are placed in a box and mixed thoroughly. Find the probability that a number on a card is an even number , a number less than 14 , a number which is a perfect square and a prime number less than 20.




Q5. A jar contains 54 marbles each of which is blue , green and white . The probability of selecting a blue marble at random from jar is 1 / 3 , and the probability of selecting a green marble at random is 4 / 9 . How many white marbles does the jar contain?

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