Question

16. Check whether the following numbers are in proportion.
(i) 4, 12,21,63
(ii) 5, 20,72,30
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Answer 1

Step-by-step explanation:

i)4,12,21,63

product of extreem term =product of middle term

4×63=252

12×21=252

yes ,4,12,21,63 are in proportional

ii)5,20,72,30

5×30=150

20×72=1440

here,product of extremely term is not equal to product of middle term.So,they are not proportion tional

Answer 2

Answer:

I think it is the correct answer