Symbiosis National Aptitude Test SNAP 2015 Paper

Question : 28 of 150

Marks: +1, -0

How many arrangements can be made out of the letters of the word ‘ENGINEERING’?

Solution:

The word ‘ENGINEERING’ contains 11 letters, namely 3E, 3N, 2G, 2I and 1R.
∴ Required number of arrangements =

{11!}/{(3!)(3!)(2!)(2!)(1!)}

= 277220

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