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If Repetition Of The Digits Is Allowed, Then The Number Of Even Natural Numbers Having Three Digits Is? |
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Answer» In a 3 digit NUMBER one’s PLACE can be filled in 5 different ways with (0,2,4,6,8) 10’s place can be filled in 10 different ways 100’s place can be filled in 9 different ways There FORE total number of ways = 5X10X9 = 450. In a 3 digit number one’s place can be filled in 5 different ways with (0,2,4,6,8) 10’s place can be filled in 10 different ways 100’s place can be filled in 9 different ways There fore total number of ways = 5X10X9 = 450. |
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