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Question

If the AM of two numbers is greater than GM of the numbers by 2 and the ratio of the numbers is 4:1, then the numbers are

A
4,1
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B
12,3
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C
16,4
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D
None of these
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Solution

The correct option is C 16,4
Let required numbers are a and b.
Now, AM =a+b2 and GM =ab
According to the question,
AM = GM +2
a+b2=ab+2 ...(i)
and ab=41
a=4b ...(ii)
On solving equations (i) and (ii), we get
a=16,b=4

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