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Maths Puzzle
Numerical Ability
How many 4 digit numbers which does not contain 3 and 6 are there?
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1234
1 st place can be filled by 7 digits (except 0,6,3)
2 nd place can be filled by 8 digits (except 6,3)
3 place can be filled by 8 digits (except 6,3)
4 place can be filled by 8 digits (except 6,3)
therefor 7*8*8*8=3584 - 10 years agoHelpfull: Yes(1) No(0)
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