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Question
Check whether the following quantities form a proportion or not?
0.8, 3, 2.4 and 9
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Solution
0.8, 3, 2.4 and 9 are in proportion.
if 0.8 × 9 = 3 × 2.4
⇒ 7.2 = 7.2
which is true
Hence 0.8, 3, 2.4 and 9 are in proportion.
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