In a bag, there are 13 cards of the first 13 whole numbers. If two cards are selected, what is the probability that both the cards are of prime numbers?
If all the digits of a fourdigit number are odd and different, how many such numbers are possible?
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For the arrangements of the letters of the word REMOTE, how many words would start with the letter R?
In how many ways can the letters of the word MOBILE be arranged?
If repetition is not allowed, how many 3digit numbers can be formed using digits 0, 1, 2, 3 and 5?
Two cards are selected randomly from a deck of cards. What is the probability that both the cards are Heart cards?
If all the digits of a fivedigit number are odd and different, how many such numbers are possible?
In how many ways can the letters of the word ADAMANT be arranged?
A bag contains six black and five red balls. If three balls from the bag are chosen at random, what is the probability that they are all black?
A letter is randomly choosen from the word SIGMA. Find the probability that the letter is a vowel.
There are 6 pink and 4 white balls in a bag. If two balls are drawn from the bag, what is the probability that both the balls are white?
For the arrangements of the letters of the word INDIA, how many words will start with I and end with I?
In how many ways can the letters of the word REMOTE be arranged?
If repetition is not allowed, how many numbers between 200 and 300 can be formed using digits 0, 1, 2, 3 and 5?
314 videos170 docs185 tests

314 videos170 docs185 tests
