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Write a digit in the blank space of eac...

Write a digit in the blank space of each of the following numbers so that the numberformed is divisible by 11 :(a)92_389                 (b)8_9484

Text Solution

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a)Let x be the digit to be inserted
9+3+2=14
8+x+9=17+x
17+x-14=x+3
If x+3=0
x=-3
If x+3=11
x=8
...
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Knowledge Check

  • Which of the following numbers is divisible by 11 ?

    A
    3333333
    B
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    C
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    D
    none of these

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