Question

who are nobel prize 2021 winners list is?​

Answer 1

Answer:

Refer to the attachment

Explanation:

We have,

Compound ratio of 7:5 and 8:x=84:60

7×x:5×8=84:60

7x:40=84:60

Product of extremes = product of means

⇒7x×60=40×84

Answer 2

Answer:

please refer to the attached

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Explanation:

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