Arithmeticeasy · Past Paper
Find the sub-duplicate ratio of 64:81.
A4096:6561
B8:9
C32:40.5
D4:3
✓ Correct Answer: B — 8:9
Sub-duplicate ratio is the ratio of square roots: sqrt(64):sqrt(81) = 8:9.
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✓ Correct Answer: B — 8:9
Sub-duplicate ratio is the ratio of square roots: sqrt(64):sqrt(81) = 8:9.
Share this question