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The probability that it will rain today is 0.76. What is the probability that it will not rain today?
A bag contains 19 balls having numbers 1, 2, 3, . . . . . . . 19 respectively. A ball is drawn at random from the bag, what is the probability that the number on the ball is a prime number?
There are 35 tickets numbered 1, 2, 3, . . . 35. One ticket is drawn at random. What is the probability that the number on the ticket is a multiple of 3 or 5.
Two dice are thrown simultaneously. What is the probability of getting 9 as the sum of two numbers that turn up?
A man calculates that the probability of his winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has he bought?
A die is thrown 350 times and the score of 6 obtained 28 times. Find the probability of getting a score under 6.
What is the probability that a number selected at random from the numbers 1, 2, . . . . . 35 is not a multiple of 7?
In a class, there are 35 boys and 15 girls. What is the probability of a randomly selected student of the class to be a girl?
A box contains 6 green balls, 4 red balls and some white balls. If the probability of not drawing a white ball in one draw is 2/3, what is the number of white balls?
In a pack of 52 playing cards, the king, the queen, the Jack and 10 are lost, All these cards are of spade. A card is drawn from the remaining well shuffled back. Find the probability of getting a king.
A Jar contains 54 marbles each of which is blue, green or white. The probability of getting a blue marble at random from the Jar is 1/3 and the probability of getting a green marble at random is 4/9. What is the number of white marbles?
In a bag, there are 70, Rs.1 coin, 30, Rs. 2 coin and 50, Rs. 5 coin. One coin is drawn at random. What is the probability that it will not be a Rs. 5 coin?
A letter is chosen at random from the letter of word communication. What is the probability that the chosen letter is a vowel?
A letter is chosen at random from the letter of word concentration. What is the probability that the chosen letter is a consonant?
500 tickets of a lottery were sold. There are 15 prizes on these tickets. If Mohan has purchased one ticket, what is the probability that he will win a price?
11 videos36 docs201 tests

11 videos36 docs201 tests
