Question

Q5.The ratio of 12m to 140 cm :​

Answer 1

$12 \: m = 1200 \: cm$

Now,

${\green{ \mapsto \cancel \dfrac{1200}{140} = \boxed{\tt \frac{60}{7}}}}$

60:7

Answer 2

ratio = 12m : 40 cm

= 12m : 40 /100 X100

= 12m : 40m

= 3/10

Hope it is useful for you Please MARK me as Brainleist