Question

Which of the following pairs is not in proportion? 3 : 2 and 6 : 4 2 : 3 and 4 : 9 5 : 7 and 10 : 14 6 : 7 and 18 : 21

Answer 1

Answer:

2:3 and 4:9 are not in proportion.

Step-by-step explanation:

1)3*4/2*6=1

2)2*9/3*4=3/2

3)5*14/7*10=1

4)6*21/7*18=1

Therefore,2:3 and 4;9 are not in proportion