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In how many ways can 12 girls be seated in a row of 50 seats so that no girl sits on the adjacent seat?
In how ways can the selection be made so that a particular member is always included?
...Out of 10 men, 3 are wearing red caps, 4 are wearing green caps, and the remaining men are wearing orange caps. They are to be seated in a linear row. I...
In how ways can the selection be made so that a particular member is always included?
In how many ways can the letters of the word TERRORISTS be arranged by taking 4 letters at a time?
A group consists of 9 boys and 7 girls. In how many ways can 4 boys and 3 girls be selected from the group?
Find the quantity of arrangements of the letters of the word INDEPENDENCE if all the vowels always occur together?
How many words can be formed from the word INCREASE in which both E’s do not come together?
How many 6-digit numbers can be formed from the digits 0,3,4,5,6 and 8, in which the digits are not repeated?
Find the quantity of methods of picking 4 cards from a set of 52 playing cards if four cards are of the same unit?
