2. Say divisibility test of:
1) 2
2) 3
3) 4
4) 5
.
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2. Say divisibility test of:
1) 2
2) 3
3) 4
4) 5
.
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Answer:
2
The last digit is even (0,2,4,6,8)
3
The sum of the digits is divisible by 3
4
The last 2 digits are divisible by 4
1312 is (12÷4=3) Yes
7019 is not (19÷4=4 3/4) N
5
The last digit is 0 or 5
175 Yes
809 No
Answer:
2- if the unit digit of a number is even number, then the number is divisible by 2
3-If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.
4- if the last two digits( unit and tens digit) are divisible by 4 then number is divisible by 4
5- if the last digit of a number is 0 or 5, then the number is divisible by 5
hope it's helpful