97215*6 is completely divisible by 11,then the smallest whole number in place of * will be
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Divisibility of 11:
(sum of digits in odd places) - (sum of digits in even places) = 0 or multiple of 11, then the number is divisible by. [usually looked from right to left]
22 - (8+*) = 0 or multiple of 11
14 - * = 0 or multiple of 11
Here multiple of '11' is the best option which is '11' itself
14 - * = 11
Hence * = 3
Hence '3' is the smallest number that should replace * so that the number 97215*6 is divisible by 11.
(sum of digits in odd places) - (sum of digits in even places) = 0 or multiple of 11, then the number is divisible by. [usually looked from right to left]
22 - (8+*) = 0 or multiple of 11
14 - * = 0 or multiple of 11
Here multiple of '11' is the best option which is '11' itself
14 - * = 11
Hence * = 3
Hence '3' is the smallest number that should replace * so that the number 97215*6 is divisible by 11.
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