There are 20 Bikes in the No-Parking zone. On a Particular day, A policeman planned to fine the four bikes of the No-Parking Zone. In how many ways can ...
How many words can be formed with the letter of the word ‘NUMBER’ when alll vowels are never together?
What will be the number of permutations of n different things, taken r at a time, where repeatition is allowed?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
In how many ways can the letters of the word VOWEL can be arranged so that all the consonants occupy odd places, vowels come on even places?
In how many ways can the letters of the word ENGINEERING be arranged?
Geography books are always together.
In how ways can the selection be made so that a particular member is always excluded?
...Find the number of words that can be formed by using all letters of the word 'PAINT', if order of vowels remains same.
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.
