Divisibility Rule of 10
Divisibility Rule of 10
Divisibility Rule of 10:
A number is divisible by 10, if its units digit is zero.
Justification:
Let ...cba be an arbitrary number whose ones digit is a, tens digit is b, hundreds digit is c and so on. Then,
is divisible by 10 if and only if a = 0.
is divisible by 10 if and only if its units digit is 0.
It follows from the above discussion that a number is divisible by 10 if and only if its units digit is zero.
Hence the Test of Divisibility By 10 that is a number is divisible by 10, if its units digit is zero is justified
Illustration 1: Write 231 in the form 10b + a then check its divisibility by 10
Solution: We will express 231 in the form 10b + a
where a = 1 and b = 23.
The number 231 will leave a remainder 1 when divided by 10 because the digit at the unit place represented by a in general form is 1.
Which of the follwoing numbers is not divisible by 10 | |||
| Right Option : D | |||
| View Explanation |
Which number is divisible by 3 and 10? | |||
| Right Option : D | |||
| View Explanation |
Which of the following number is divisible by 10 ? 456837, 647356, 760890, 365677 | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [20]
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Barkha Arora
10thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
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Aman Kumar Shrivastava
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Barkha Arora
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8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
