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प्रश्न
The mean proportional between 4 and 9 is ______.
विकल्प
4
6
9
36
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उत्तर
The mean proportional between 4 and 9 is 6.
Explanation:
Mean proportional of 4 and 9
= `sqrt(4 xx 9)`
= `sqrt(36)`
= 6
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