Aptitude - Arithmetical Ability
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| 19. | Suppose you want to arrange your English, Hindi, Mathematics, History, Geography and Science books on a shelf. In how many ways can you do it? |
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Discussion| 20. | 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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| 21. | How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed? |
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| 22. | In how many different ways can the letters of the word ‘JUDGE’ be arranged in such a way that the vowels always come together? |
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| 23. | If you have 6 New Year greeting cards and you want to send them to 4 of your friends, in how many ways can this be done? |
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| 24. | In how many ways can an animal trainer arrange 5 lions and 4 tigers in a row so that no two lions are together? |
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