Question

1. Find out whether the following groups of numbers are in proportion
(b) 21, 6, 35, 10 (c) 12, 18, 28, 12
(a) 18, 20, 9, 10​

Answer 1

Answer:

Yes, (b) & (a) are in proportion

But (c) 12, 18, 28, 12 is not