Advertisements
Advertisements
प्रश्न
Test the divisibility of the following numbers by 7:
25368
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.
25368 is divisible by 7.
We have 2536 − 2 × 8 = 2520, which is a multiple of 7.
APPEARS IN
संबंधित प्रश्न
Test the divisibility of the following number by 4:
35056
Test the divisibility of the following numbers by 5:
438750
Test the divisibility of the following numbers by 7:
826
Test the divisibility of the following numbers by 7:
117
Test the divisibility of the following numbers by 8:
9364
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:
53*46
State if the following is a prime number?
161
State if the following is a prime number?
331
Find the least number divisible by 15, 20, 24, 32, and 36.
