Residents of a Hubballi colony joined a yoga group, an aerobics group or both, and 33 residents are in the yoga group. How many are in the yoga group only?

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Accepted Answer

21. The Yoga circle is the part marked ? plus the shared part: ? + 12 = 33, so ? = 21. 33 is the whole Yoga circle, 12 is those in both groups, and 37 is the whole Aerobics circle 25 + 12.

Residents of a Hubballi colony joined a yoga group, an aerobics group or both, and 33 residents are in the yoga group. How many are in the yoga group only?

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