Advertisements
Advertisements
प्रश्न
Test the divisibility of the following numbers by 7:
826
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.
826 is divisible by 7.
We have 82 − 2 × 6 = 70, which is a multiple of 7.
APPEARS IN
संबंधित प्रश्न
Test the divisibility of the following numbers by 8:
2138
Test the divisibility of the following number by 10:
63215
Test the divisibility of the following number by 11:
4334
In the following number, replace * by the smallest number to make it divisible by 9:
6678*1
In the following number, replace * by the smallest number to make it divisible by 11:
26*5
In the following number, replace * by the smallest number to make it divisible by 11:
39*43
State if the following is a prime number?
397
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.
Three bells toll together at intervals of 9, 12, 15 minutes. If they start tolling together, after what time will they next toll together?
What does “divisible” mean?
