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Checking whether a Proportion or not a Proportion
1) Check whether 8, 10, 12, 15 are?
Can't predict
Not in proportion
None of these
Proportion
1/10
Solution
Answer:
Proportion
Explanation:
Take a = 8, b = 10, c = 12, d = 15
The general form is ad = bc
Product of extreme terms = 8 × 15 = 120
Product of mean terms = 10 × 12 = 120
Since, the product of means = product of extremes.
Therefore, 8, 10, 12, 15 are in proportion.
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