Question
In how many different ways can the letters of the word
‘PUBLIC’ be arranged in such a way that the vowels occupy only the odd positions?Solution
There are 6 letters in the given word out of which there are 2 vowels and 4 consonants. Now, 2 vowels can be placed at any of the three places out of 3 odd positions. Number of ways of arranging the vowels = 3P2 = 3 Also, the 4 consonants can be arranged at the remaining 4 positions. Number of ways of arranging the consonants = 4P4 = 4! Total number of ways = (3 × 4!) = 72
In each group, one word is correctly spelt. Find the correct word.
Den’s sandal label is a miniatures masterclass in the enduring politics of power .
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None of his sons is mature enough to adept to new circumstances.
Most of these hotels offer acommodation in highly comfortable rooms with chic decor and modern furniture and provide breathtaking panoramic views.
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In the following question, four words are given, out of which only one word is correctly spelt. Find the correctly spelt word.
