Question
Write all the numbers less than $100$ which are common multiples of $3$ and $4.$
✓
Answer
Multiples of $3$ are $3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, .....$
Multiples of $4$ are $4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, .....$
$\therefore $ Common multiples of $3$ and $4$ are $12, 24, 36, 48, 60, 72, 84, 96, 108, ....$
$\therefore $ All the numbers less than $100$ which are common multiples of $3$ and $4$ are $12, 24, 36, 48, 60, 72, 84$ and $96.$
Multiples of $4$ are $4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, .....$
$\therefore $ Common multiples of $3$ and $4$ are $12, 24, 36, 48, 60, 72, 84, 96, 108, ....$
$\therefore $ All the numbers less than $100$ which are common multiples of $3$ and $4$ are $12, 24, 36, 48, 60, 72, 84$ and $96.$
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