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Permutations and Combinations (1st PUC) — quick quiz

2 KCET-pattern questions on Permutations and Combinations (1st PUC). Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 2

Hard

The number of 4-letter words (with or without meaning) that can be formed using the letters of the word 'EQUATION' without repetition is