# Q1 Find the common factors of the given terms$(vii) 10 pq , 20 qr , 30 rp$

$10pq ={\color{DarkRed} 2 \times 5} \times p \times q$
$20qr = 2\times{\color{DarkRed} 2 \times 5 }\times q \times r$
$30rp ={\color{DarkRed} 2}\times 3{\color{DarkRed} \times 5} \times r \times p$
$2 \times 5 =10$