A natural number is divisible by 4, if the number formed by its digits in units and tens places is divisible by 4.
Consider a three digit number abc.
We have,
= 100a + 10b + c
= 100a + (10b + c )
= 100a +
= ( 4 25a ) +
= a multiple of 4 +
is divisible by 4, if i.e. the number formed by digits in units and tens places is divisible by 4.
What smallest number should be filled to make the 670_ _ divisible by 4. | |||
Right Option : B | |||
View Explanation |
Which of the following number is not divisible by 4? 129984, 365832, 167918, 865522, 674320, 234321 | |||
Right Option : D | |||
View Explanation |
By which number 72356 is divisible | |||
Right Option : C | |||
View Explanation |
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