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11th ICSE
IMPORTANT
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How many four digit numbers can be formed in which all the digits are different?

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Important Questions on Permutations and Combinations

MEDIUM
11th ICSE
IMPORTANT
How many three digit numbers can be formed without using the digits 2, 3, 5, 6, 7 and 9 out of digits 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0
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11th ICSE
IMPORTANT
How many three digit numbers can be formed using the digits 0, 1, 3, 5, 6, 7 if repetition of digits is not allowed?
MEDIUM
11th ICSE
IMPORTANT
How many three digit numbers can be formed using the digits 0, 1, 3, 5, 6, 7 if repetition of digits is allowed?
MEDIUM
11th ICSE
IMPORTANT
How many 2-digit even numbers can be formed from the digits 1, 2, 3, 4 and 5 if the digits can repeat?
MEDIUM
11th ICSE
IMPORTANT
How many 2-digit even numbers can be formed from the digits 1, 2, 3, 4 and 5 if the digits cannot repeat?
MEDIUM
11th ICSE
IMPORTANT
How many 3-digit odd numbers can be formed from the digits 1, 2, 3, 4 and 5 if repetition of digits is allowed?
MEDIUM
11th ICSE
IMPORTANT
How many 3-digit odd numbers can be formed from the digits 1, 2, 3, 4 and 5 if repetition of digits is not allowed?
MEDIUM
11th ICSE
IMPORTANT
How many 3-digit even numbers can be made by using the digits 1, 2, 3, 4, 6 and 7, if repetition of digits is not allowed?