In a group of 9 boys and 5 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
In how many different ways can the letters of the word "WINTER" be arranged so that the vowels are at the two ends?
In how many different ways can 6 teachers and 5 students be seated in a row so that they sit alternately?
In how ways can the selection be made so that a particular member is always included?
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 word ‘PUMPKIN’ be arranged?
From 6 officers and 8 Jawans, in how many ways can 5 be chosen to include exactly 3 officers?
How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?
History books are never together.
Find the quantity of methods of picking 4 cards from a set of 52 playing cards if four cards are of the same unit?