Advertisements
Advertisements
प्रश्न
Test the divisibility of the following numbers by 7:
25368
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 3:
10038
Test the divisibility of the following numbers by 6:
46523
Test the divisibility of the following numbers by 7:
2345
In the following number, replace * by the smallest number to make it divisible by 3:
234*17
State if the following is a prime number?
161
Write (T) for true and (F) for false against the following statement:
If a number is divisible by 8, it must be divisible 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.
Find the greatest number which divides 2011 and 2623, leaving remainders 9 and 5 respectively.
Test the divisibility of 5869473 by 11.
Which of the following is a prime number?
