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The number of numbers that can be formed...

The number of numbers that can be formed using the digits 3,4,5,6,7 (repetition of digits is not permissible ) such that the thousand's digit is always less that unit's digit is-

A

30

B

45

C

60

D

75

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 8
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