Advertisements
Advertisements
Question
Test the divisibility of the following numbers by 7:
14126
Advertisements
Solution
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
RELATED QUESTIONS
Test the divisibility of the following numbers by 6:
934706
Test the divisibility of the following number by 11:
83721
Test the divisibility of the following number by 11:
66311
Test the divisibility of the following number by 11:
8790322
In the following number, replace * by the smallest number to make it divisible by 3:
8*711
State if the following is a prime number?
137
State if the following is a prime number?
331
Give an example of a number which is divisible by 2 but not by 4.
Write (T) for true and (F) for false against the following statement:
If a number is divisible by both 9 and 10, it must be divisible by 90.
Which of the following numbers is divisible by 11?
