The least number which should be added to 57 so that the sum is exactly divisible by 2,3,4,5 is
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Answer:
3 should be added with 57 an then divide that no. with 2,3,4,5
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The required number is 3.
Step-by-step explanation:
Divisibility rule are given below:
For 2, the last number has to 0 or divisible by 2.
For 3, the sum of the digit must be divisible by 3.
For 4, the the last number has to 0 or divisible by 4.
For 5, the last digit must be 0 or 5.
Thus if we add 3 to 57 it becomes 60.
60 satisfies all the required conditions explained above.
So, the least number number is 3.
Learn more:
Divisibility test if a number is divisible by 2 and not divisible by 3 and it is divisible by 6 or not
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