UPSC NDA Math Model Paper 9

In the given word has 2 vowels A and O, so the word can start and end with these 2 only
Hence ways of arranging these two = 2!
Now five places in the middle has to filled by the consonants,
This can be done =5P5 ways or 5! ways
∴ Total number of ways N = 5! × 2!
N = 120 × 2 = 240