Arithmetic Ability
Permutations and Combinations

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Q.

How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed ?

View Answer

Correct choice: A

Explanation:

The Word LOGARITHMS contains 10 letters. To find how many 4 letter words we can form from that =10 P4 =10x9x8x7 = 5040.
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