Consider the following numbers divisible by 11 using the test for divisibility by 11: (i) 154, (ii) 814, (iii) 957, (iv) 1023, (v) 1122, (vi) 1749, (vii)53856, (viii)592845, (ix)5048593, (x)98521258. 1 is divisible by 11.
What is the rule to find divisibility by 11?
Divisibility rules for the numbers 1–30
| Divisor | Divisibility condition |
|---|---|
| 11 | If the number of digits is even, add the first digit and subtract the last digit from the remainder. The result must be divisible by 11. |
| If the number of digits is odd, subtract the first and last digits from the remainder. The result must be divisible by 11. |
Is 1111111 divisible by 11?
For example, for the number: 85976: 8 + 9 + 6 = 23, 5 + 7 = 12, the sum of the digits: 23 12 = 11 . So 85976 is divisible by 11.
Is 1111 divisible by a number?
The numbers that 1111 is divisible by are 1, 11, 101, and 1111. …Not only that, all numbers divisible by 1111 are the divisors of 1111.
Which numbers are divisible by 3?
Rule: A number is divisible by 3 if the sum of its digits is divisible by 3. For example, 375 is divisible by 3 because the digit sum (3+ 7 + 5 ) is 15. And 15 is divisible by 3. 1+2=3 and 3 is divisible by 3.
Which numbers are divisible by 12?
The factors of 12 are 1, 2, 3, 4, 6, and 12. Thus, the number 12 is divisible by 1, 2, 3, 4, 6, and 12.
Can 101 be shared?
Since 101 is not divisible by 2, 3, 5, or 7, we know that 101 is a prime number.
Which of the following numbers is divisible by 11?
∴ The number divisible by 11 is 60390.