Question : The mean proportion of numbers 0.049 and 0.9 is:
Option 1: 0.021
Option 2: 0.21
Option 3: 0.63
Option 4: 21
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Answer (1)
21st Jan, 2024
Correct Answer: 0.21
Solution :
According to the question,
$c = \sqrt {ab}$
Where c is the mean proportion of a and b
Now, the mean proportion of 0.049 and 0.9
= $\sqrt{0.049 \times 0.9}$
= $0.21$
Hence, the correct answer is 0.21.
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