Question

Find whether the following numbers are in proportion 2,5,10,20 ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

NO, they are not.

Step-by-step explanation:

The solution is to sort the four numbers and pair up the first 2 together and the last 2 together and check their ratios this is because, in order for them to be in proportion, the product of means has to be equal to the product of extremes.

Product of 2 and 20 is 40.

Product of 5 and 10 is 50.

40 ≠ 50

Thus, the answer is no.