which of the following are in proportion (a) 21,35,24,40
(b) 5,7,40,40
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Answer:
A and B both of them are not proportional
Step-by-step explanation:
21:35::24:40
product of means = product of extremes.
35*24=40*35
840=1400
Hence, A isn't proportional
5:7::40:40
product of means = product of extremes.
5*7=40*40
35=1600
Hence, B isn't proportional
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