Number of four digit positive integers if the product of their digits is divisible by `3` is.
Number of four digit positive integers if the product of their digits is divisible by `3` is.
A. `2700`
B. `5464`
C. `6628`
D. `7704`
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Correct Answer - D
`(d)` Product will be divisible by `3` if atleast one digit is , `0,3,6,9`
Now total four-digit no.`=9xx10^(3)`,
Number of four-digit no. without `0,3,6,9=6^(4)`
Total number of four-digit integers `=9000-1296=7704`
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