1.
Are the following numbers in proportion?
(a) 9, 12, 18, 24
(b) 3, 4, 8, 16
(c) 22, 33, 16, 24
(d) 63, 55, 32, 72
(e) 4, 9, 32, 72
(f) 15, 75, 45, 120
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Answer:
To check the proportionality of 4 no a , b , c , d
a × d = b × c
Now u can solve it easily
hope it helps you
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