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A person promises his 7 children to take them to a park. He takes only 3 of them at a time to the park and makes sure that the same set of the 3 is not taken again. How many times a single child goes to the park ??

Note by Utsav Goel
3 years, 1 month ago

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3? Krishna Sharma · 3 years, 1 month ago

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7? Archit Boobna · 2 years, 5 months ago

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