Question

How many numbers between 1 and 300 are divisible by 3 and 5?

• A. $10$
• B. $19$
• C. $25$
• D. $30$

Answer 1

Answer: (B)

$19$

LCM of $3$ and $5$ = $15$
Numbers divisible are between $1$ and $300$ means are from $2$ to $299$
Numbers divisible by $15=\frac{299}{15}$
=$19$