Question

1 Which of the following are in proportion?

a. 12,16,21,28​

Answer 1

Answer:

product of means = 12×28=336

product of extremes= 16×21=336

Therefore it is in proportion

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Answer 2

Answer:

They are in proportion

Step-by-step explanation:

Product of means = 12 x 28

= 336

product of extremes = 16 x 21

= 336

therefore the both answers are equal so they are in proportion

hopes it help u