Advertisements
Advertisements
प्रश्न
Test the divisibility of the following number by 3:
524781
Advertisements
उत्तर
A number is divisible by 3 if the sum of its digits is divisible by 3.
524781 is divisible by 3 because the sum of its digits, 5+2+4 +7+8+1, is 27, which is divisible by 3.
APPEARS IN
संबंधित प्रश्न
Test the divisibility of the following number by 2:
357986
Test the divisibility of the following numbers by 7:
14126
Test the divisibility of the following numbers by 9:
326999
In the following number, replace * by the smallest number to make it divisible by 3:
62*35
In the following number, replace * by the smallest number to make it divisible by 3:
6*1054
In the following number, replace * by the smallest number to make it divisible by 11:
467*91
Give an example of a number which is divisible by both 2 and 8 but not by 16.
Write (T) for true and (F) for false against the following statement:
The sum of two consecutive odd numbers is always divisible by 4.
Which of the following numbers is divisible by 8?
Using divisibility tests, determine which of the following numbers are divisible by 2; by 3; by 4; by 5; by 6; by 8; by 9; by 10; by 11 (say, yes or no):
|
Number |
Divisible by |
||||||||
|
2 |
3 |
4 |
5 |
6 |
8 |
9 |
10 |
11 |
|
|
128 |
Yes |
No |
Yes |
No |
No |
Yes |
No |
No |
No |
|
990 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
1586 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
275 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
6686 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
639210 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
429714 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
2856 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
3060 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
|
406839 |
______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ | ______ |
