Same chapter1 markDifficulty: Easy
The mean proportional between 4 and 25 is:
Ratio and Proportion
2 marksDifficulty: Easy
Find the mean proportional between 9 and 16.
Original Khojo Papers practice question — not from a past board paper.
Answer
12
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
If m is the mean proportional then m2 = 9 × 16 = 144, so m = 12.
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Find the duplicate ratio of 3 : 4 and the sub-duplicate ratio of 25 : 36.
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