6. Which of the following numbers is exactly divisible by 11 342155, 6613311 23423, 114234​

  • matematika

    Subject:

    Math
  • Author:

    danna
  • Created:

    1 year ago

Answers 2

The number which is divisible by 11, is 342155.

Tips:

If the difference of the sum of the digits in odd places and sum of the digits in the even places is a multiple of 11 or zero, then the number is divisible by 11.

Step-by-step explanation:

(a) 342155

Now, (3 + 2 + 5) - (4 + 1 + 5)

= 10 - 10

= 0, so 342155 is divisible by 11.

(b) 6613311

Now, (6 + 1 + 3 + 1) - (6 + 3 + 1)

= 11 - 10

= 1, not a multiple of 11 and thus not divisible by 11.

(c) 23423

Now, (2 + 4 + 3) - (3 + 2)

= 6 - 5

= 4, not a multiple of 11 and thus not divisible by 11.

(d) 114234

Now, (1 + 4 + 3) - (1 + 2 + 4)

= 8 - 7

= 1, not a multiple of 11 and thus not divisible by 11.

Step-by-step explanation:

Only first number that is 342155 is divisible by 11. You can check it manually by dividing all numbers.

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