Question

Which of the following are in proportion?
a) 1,3,11,22
b) 2,3,20,30
c) 3,4,15,18
d) 2,5,40,80

Answer 1

Answer:

Only option b is correct. because

$\frac{2}{3} = \frac{20}{30}$

Answer 2

Answer:

B) 2,3,20,30

Step-by-step explanation:

2:3::20:30

2/3= 20/30= 2/3= 20/30 becomes 2/3 on cutting both zeros

2/3=2/3

Hence, option b is correct.

MARK AS BRAINLIEST