Advertisements
Advertisements
प्रश्न
Test the divisibility of the following numbers by 7:
117
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.
117 is not divisible by 7.
We have 11 − 2 × 7 = −3, which is not a multiple of 7.
APPEARS IN
संबंधित प्रश्न
Test the divisibility of the following numbers by 5:
35208
Test the divisibility of the following numbers by 6:
251780
Test the divisibility of the following numbers by 8:
9364
Test the divisibility of the following number by 11:
83721
In the following number, replace * by the smallest number to make it divisible by 9:
65*5
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 divides two numbers exactly, it must divide their sum exactly.
Find the greatest number which divides 615 and 963, leaving the remainder 6 in each case.
The least number divisible by each of the numbers 15, 20, 24, 32 and 36 is
Which of the following numbers is divisible by 6?
