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QJEEM21Ma870b: JEE Main 2021 Mathematics - Class 11 JEEM21Ma870b Solution: The number of three-digit even numbers, formed by the digits 0, …
The number of three-digit even numbers, formed by the digits 0, 1, 3, 4, 6, 7 if the repetition of digits is not allowed, is ______________.
Step-by-Step Verified Solution
(i) When '0' is at unit place
Number of numbers = 20
(ii) When 4 or 6 are at unit place
Number of numbers = 32
Total three digit even number = 20 + 32 = 52
Number of numbers = 20
(ii) When 4 or 6 are at unit place
Number of numbers = 32
Total three digit even number = 20 + 32 = 52