Question:
Test the divisibility of each of the following numbers by 10:
(i) 205
(ii) 90
(iii) 1174
(iv) 57930
(v) 60005
Solution:
A given number is divisible by 10 only when its unit digit is 0.
(i) 205
The number 205 has '5' at its unit's place so, it is not divisible by 10.
(ii) 90
The number 90 has '0' at its unit's place so, it is divisible by 10.
(iii) 1174
The number 1174 has '4' at its unit's place so, it is not divisible by 10.
(iv) 57930
The number 57930 has '0' at its unit's place so, it is divisible by 10.
(v) 60005
The number 60005 has '5' at its unit's place so, it is not divisible by 10.
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