What is the sub-duplicate ratio of 64 : 81?
64 : 81 का वर्गमूलानुपात (sub-duplicate ratio) क्या है?

8:9 — The sub-duplicate ratio of a : b is √a : √b. So, √64 : √81 = 8 : 9.

8:9 (8:9)

4:9 (4:9)

8:10 (8:10)

7:9 (7:9)

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🇮🇳 हिंदी Hindi Version

64 : 81 का वर्गमूलानुपात (sub-duplicate ratio) क्या है?

8:9

4:9

8:10

7:9

Mathematics & Logic 149/939

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What is the sub-duplicate ratio of 64 : 81?64 : 81 का वर्गमूलानुपात (sub-duplicate ratio) क्या है?