Question

The digit by which * should be replaced in 54 * 281 so that the number fromed is divisible by 9​

Answer 1

Answer:

b) 7

Step-by-step explanation:

For a number to be divisible by 9, the sum of its digits should be divisible by 9.

Sum of digits= 5 + 4 + 2 + 8 + 1

= 20

Now 9 * 3 = 27

Since 27 is close to 20

Therefore b) 7 is the answer

Answer 2

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For a number to be divisible by 9, sum of its

digits should be divisible by 9. = 5+4+2+8+1 = 20.

Sum of given digits in 54 * 281

If we add 7, it becomes 27, which is divisible

by 9.