If all the vowels in the word ‘FALSEHOOD’ are changed to the next letter in the English alphabetical order and all the consonants remain the same then all the letters are arranged in alphabetical order from left to right, how many alphabets are repeating itself in the new arrangement?
Given word - F A L S E H O O D
After change -F B L S F H P P D Further change- BD FF HL PP S
Find the third proportion of √ 2, √ 7 and √ 21.
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