Question

write the digit in the blank
space so that the number
formed is divisible
divisible by 11
12 268​

Answer 1

Answer:

5 should be used in the blank space so that the number can be divisible by 11.

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Answer 2

Step-by-step explanation:

(a) 92 __ 389

Sum of odd digits = 9 + (blank space) + 8 = 17 + blank space

Sum of even digits = 2 + 3 + 9 = 14

As we know,

The number is divisible by 11 if the difference between the sum of the digits at odd places and the sum of the digits at even places is divisible by 11.

If we make the sum of odd digits = 25

then we will have difference = 25 - 14 = 11

which is divisible by 11.

To make the sum of odd digits = 25,

the number at black space would be 8.

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