Reasoning Class 5 Possible Combinations

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

In how many ways can the letters of the word 'PEN' be rearranged?

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Answer: D. 6

Answer: D) 6
Explanation: The arrangements are: PEN, PNE, EPN, ENP, NPE, and NEP. For 3 unique letters, the combination is 3 × 2 × 1 = 6.

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In how many ways can the letters of the word 'PEN' be rearranged?

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