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How many different letter arrangements can be made from the letters of the word RECORD?1. 1202. 3603. 7204. 60 |
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Answer» Correct Answer - Option 2 : 360 Formula used: Number of ways = Total number of word!/Number of Repitition! Calculation: RECORD Total number of words = 6 Number of Repitition = 2 time R Number of ways = Total number of word!/Number of Repitition! ⇒Number of ways = 6!/2! ⇒ (2! × 3 × 4 × 5× 6)/2! = 360 ∴ The required answer will be 360. |
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