Question

Q1) Which of the following are not in
proportions?
a) 6:18:9:27
b) 3:7::2:7
c) 10:21::4:8.4
d) 9:12::12:16​

Answer 1

Answer:

C)10:21::4:8.4

Step-by-step explanation:

Answer 2

Answer:

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