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A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag, if at least one black ball is to be included in the draw?
A coin is tossed 3 times. Find out the number of possible outcomes.
In how many ways can the letters of the word 'LEADER' be arranged?
How many 3 digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9 which are divisible by 5 and none of the digits is repeated?
How many words with or without meaning, can be formed by using all the letters of the word, 'DELHI' using each letter exactly once?
In how many different ways can the letters of the word 'JUDGE' be arranged such that the vowels always come together?
How many arrangements can be made out of the letters of the word 'ENGINEERING' ?
How many words can be formed by using all letters of the word 'BIHAR'?
In how many different ways can the letters of the word 'DETAIL' be arranged such that the vowels must occupy only the odd positions?
197 videos151 docs200 tests

197 videos151 docs200 tests
