21.In how many different ways can the letters of the word 'RUMOUR' be arranged ? A) 180 B) 90 C) 30 D) 720 E) None of these View Answer Report DiscussAnswer: Option AExplanation:
22.In how many ways can the letters of the word 'LEADER' be arranged ? A) 72 B) 144 C) 360 D) 720 E) None of these View Answer Report DiscussAnswer: Option CExplanation:
23.In how many ways can the letters of the word 'APPLE' be arranged ? A) 720 B) 120 C) 60 D) 180 E) None of these View Answer Report DiscussAnswer: Option CExplanation:
24.How many words with or without meaning, can be formed by using all the letters of the word, 'DELHI', using each letter exactly once ? A) 10 B) 25 C) 60 D) 120 View Answer Report DiscussAnswer: Option DExplanation:
25.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 ? A) 40 B) 400 C) 5040 D) 2520 View Answer Report DiscussAnswer: Option CExplanation:
