Advertisements
Advertisements
प्रश्न
Test the divisibility of the following numbers by 7:
14126
Advertisements
उत्तर
To determine if a number is divisible by 7, double the last digit of the number and subtract it from the number formed by the remaining digits. If their difference is a multiple of 7, the number is divisible by 7.
14126 is divisible by 7.
We have 1412 − 2 × 6 = 1400, which is a multiple of 7.
APPEARS IN
संबंधित प्रश्न
Test the divisibility of the following numbers by 5:
4965
Test the divisibility of the following number by 10:
63215
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:
234*17
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 9:
6702*
State if the following is a prime number?
277
Give an example of a number which is divisible by 2 but not by 4.
Find the greatest number which divides 2011 and 2623, leaving remainders 9 and 5 respectively.
Why are divisibility tests useful?
