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The general form of abc is:
The generalised form of 129 is:
The usual form of \(100 \times 7 + 10 \times 1 + 8 \) is:
Which of the following numbers are not divisible by 5?
To be completely divisible by 5, the number should have 0 or 5 at it’s one’s digit place.
Which of the following numbers are divisible by 10?
If any number has 0 at its one’s digit place, then it is divisible by 10.
Hence,
Which of the following are divisible by 2?
If one’s digit of any number is even number, then the number is completely divisible by 2.
Hence,
If a number is divisible 9, then it is divisible by:
If 99 is divisible by 9 then it is also divisible by 3.
If the three digit number 24x is divisible by 9, the value of x is:
If 24x is divisible by 9, then:
2 + 4 + x = 6 + x is also divisible by 9.
It is possible only when, 6 + x = 9, 18, …
Since x is single digit, therefore, 6 + 3 = 9
x=3
The number 2146587 is divisible by:
2146587 = 2 + 1 + 4 + 6 + 5 + 8 + 7 = 33
Since, 33 is divisible by 3, hence 2146587 is divisible by 3.
The number 15287 is divisible by:
What value should be given to * so that number 653 * 47 is divisible by 11?
What is the least number of 4 digit that is exactly divisible by 13?
By which of the following numbers is 477 not divisible?
If a number is divisible by 9 it is also divisible by which number?
32 + m is a prime number what is the least value of m?