Out of a group of 17 girl guides and 15 boy scouts, 22 play handball, 16 play basketball, 12 of the boy scouts play handball, 11 of the boy scouts play basketball, 10 of the boy scouts play both and 3 of the girls play neither of the two

Question

i) How many girls play both handball and basketball?
ii) How many in the group play handball only and basketball only

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