1.

How many different letter arrangements can be made from the letters of the word RECORD?1. 1202. 3603. 7204. 60

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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