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प्रश्न
If the difference between the sum of digits at odd places (from the right) and the sum of digits at even places (from the right) of a number is either 0 or divisible by _____, then the number is divisible by 11.
उत्तर
If the difference between the sum of digits at odd places (from the right) and the sum of digits at even places (from the right) of a number is either 0 or divisible by 11, then the number is divisible by 11.
Explanation:
According to the divisibility test for 11, if the difference between the sum of digits at odd places and sum of digits at even places of a number is either 0 or divisible by 11, then number is divisible by 11.
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संबंधित प्रश्न
If a number is divisible both by 2 and 3, then it is divisible by 12.
If the sum of the digits of a number is divisible by 3, then the number itself is divisible by 9.
A number is divisible by 5, if it has _____ or _____ in its ones place.
A number is divisible by _____ if it has any of the digits 0, 2, 4, 6, or 8 in its ones place.
| Column I | Column II |
| (i) The difference of two consecutive whole numbers |
(a) odd |
| (ii) The product of two non-zero consecutive whole numbers |
(b) 0 |
| (iii) Quotient when zero is divided by another non-zero whole number |
(c) 3 |
| (iv) 2 added three times, to the smallest whole number |
(d) 1 |
| (v) Smallest odd prime number | (e) 6 |
| (f) even |
Find a 4-digit odd number using each of the digits 1, 2, 4 and 5 only once such that when the first and the last digits are interchanged, it is divisible by 4.
Using each of the digits 1, 2, 3 and 4 only once, determine the smallest 4-digit number divisible by 4.
Using divisibility tests, determine which of the following numbers are divisible by 4?
21084
Which of the following will not represent zero?
1 + 0
Which of the following will not represent zero?
`0/2`
