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The highest peak of the South American Continent is Aconcagua.
In how many different ways can 6 boys and 3 girls to be seated in a row such that all the boys seated together and all the girls seated together?
In how many different ways can the letter of the word WELCOME is arranged so that vowels always occur together?
Among a set of 4 black balls and 3 white balls, how many selections of 3 balls can be made such that at least 2 of them are black balls?
There are two types of animals in a pet shop. Some are puppies and some are kittens. Each kitten takes 8 biscuits and each puppy takes 11 biscuits. If 5...
How many no. of 4 digits can be formed with the digits 4, 8, 7 & 3 no digit being repeated.
...In how ways can the selection be made so that a particular member is always excluded?
...In how many different ways can the letters of the word "AIRSTRIKE" be arranged if all the vowels must always be grouped together?
Akshay has 7 relatives, 3 males and 4 females. His wife twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male an...
In a group of 9 boys and 6 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
How many 5-digit even numbers can be formed using the digits 0 to 9 if no digit is repeated?