Question
Using divisibility tests, determine if the number $1700$ is divisible by
$a.\ 5$
$b.\ 10$
$a.\ 5$
$b.\ 10$
✓
Answer
$i.\ $Divisibility by $5$.
The last digit $= 0$
$\therefore$ $1700$ is divisible by $5$ because a no. is divisible by $5$ if it has $0$ or $5$ in its ones place.
$ii.\ $Divisibility by $10.$
The last digit $= 0$
$\therefore$$1700$ is divisible by $10$ because a no. is divisible by $10$ if it has $0$ in the ones place.
The last digit $= 0$
$\therefore$ $1700$ is divisible by $5$ because a no. is divisible by $5$ if it has $0$ or $5$ in its ones place.
$ii.\ $Divisibility by $10.$
The last digit $= 0$
$\therefore$$1700$ is divisible by $10$ because a no. is divisible by $10$ if it has $0$ in the ones place.
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