Question

replace *by the smallest digit to make the following number divisible by 11
22*0978​

Answer 1

Answer:

1 must be added

Step-by-step explanation:

Divisible rule of 11 is sum of odd minus sum of even digits odd digits are 2+9+8+*-(7+0+2) = 19-9=10 then * is =1

Answer 2

Answer:

The number to be replaced will be 1

Step-by-step explanation:

When we add the digits of the even places, i.e., 7,0, and 2, we get 9. So, we need the sum of the digits of the odd places such a number by which when we subtract 9, we get 0 or any multiples of 11. if we consider 1 at the unknown place, we get the sum of the digits of the even places 20. If we subtract 9 from 20, we get 11, which is a multiple of 11. So, we need to replace * by 1.

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