If (n + 2)! = 2550 (n!); find ’n’
49
35
38
43
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1
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How many words can be formed from the letters of the word "SIGNATURE" so that vowels always come together.
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2
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In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?
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3
Discuss
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In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?
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4
Discuss
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The value of 75P2
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5
Discuss
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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
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6
Discuss
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There are 8 orators A, B, C, D, E, F, G, and H. In how many ways can the arrangements be made so that A always comes before B and B always comes before C.
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7
Discuss
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Find the number of ways in which mixed double tennis game can be arranged amongst 9 married couples if no husband and wife play in the same game
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8
Discuss
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From a pack of 52 playing cards, two cards are drawn together at random. Calculate the probability of both the cards being the Kings.
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9
Discuss
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If a team of 4 persons is to be selected from 8 males and 8 females, then in how many ways can the selections be made to include at least 1 female
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10
Discuss
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One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is not a face card (Jack, Queen and King only)?
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