1. | Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed? |
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Answer: Option C Explanation: Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4)
Number of groups, each having 3 consonants and 2 vowels = 210. Each group contains 5 letters.
Required number of ways = (210 x 120) = 25200. |

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