A letter lock has 3 block each containing 6 letters.how many three letter password can exist in total?
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Answer:
216
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A letter lock has 3 block each containing 6 letters.how many three letter password can exist in total?
A letter lock has 3 block
Each block contains 6 letters
1st Block can have any letter out of 6
2nd Block can also have any letter out of 6
3rd block can also have any letter out of 6
Total Possible combination = 6 * 6 * 6 = 216
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