replace_by a digit to make the number divisible by 11 = Q=a)467_91 I want solution for class 6
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As we know, divisibility test for 11 is given by the sum of the odd subtracted by the even places of the digits. If the difference is divisible by 11, the number is. So,
4 6 7 x 9 1
O E O E O E
Odd; 4+7+9= 20
Even; 6+x+1= 7 + x
So, 20- (7+x)= 11
7+x= 8
x=1
Therefore, the digit is one.
4 6 7 x 9 1
O E O E O E
Odd; 4+7+9= 20
Even; 6+x+1= 7 + x
So, 20- (7+x)= 11
7+x= 8
x=1
Therefore, the digit is one.
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