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Yogita Ingle 5 years ago
Check if the following are in proportion.
a) 42 , 54 ,63 , 81
42/54 = 7/9
63/81 = 7/9
So, 42 , 54 ,63 , 81 are in propertion.
b) 4.2 , 5 , 2.5 , 3
4.2/5 = 42/50 = 21/25
2.5/3 = 25/30 = 5/6
So, 4.2 , 5 , 2.5 , 3 are not in propertion
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