Advertisements
Advertisements
प्रश्न
A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by ______.
Advertisements
उत्तर
A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by 11.
Explanation:
By test of divisibility by 1, 1, we know that, a number is divisible by 11, if the sum of digits at odd places and even places are equal or differ by a number, which is divisible by 11.
APPEARS IN
संबंधित प्रश्न
Without performing actual computations, find the quotient when 94 − 49 is divided by
(i) 9
(ii) 5
Given an example of a number which is divisible by 2 but not by 4.
Which of the following statement is true?
If a number is divisible by 8, it must be divisible by 4.
Which of the following statement is true?
If a number is divisible by both 9 and 10, it must be divisible by 90.
Which of the following statement is true?
If two numbers are co-prime, at least one of them must be a prime number.
Now you try and change these numbers into special numbers —
28
If A3 + 8B = 150, then the value of A + B is ______.
If B × B = AB, then either A = 2, B = 5 or A = ______, B = ______.
Find the least value that must be given to number a so that the number 91876a2 is divisible by 8.
Fill in the blank space in the same way.
