Venn diagrams

Of the 20 learners in Grade 8A, 7 are in set Soccer and 13 are in set Chess. 3 learners are in neither set. How many learners are in BOTH sets?

Of the 22 learners in Grade 8B, 8 are in set Cricket and 12 are in set Hockey; 5 learners are in both sets. How many learners are in NEITHER set?

Of the 23 learners in Grade 8E, 9 are in set Soccer and 10 are in set Chess. 7 learners are in neither set. How many learners are in BOTH sets?

Of the 22 learners in Grade 8E, 7 are in set Dog and 12 are in set Cat; 4 learners are in both sets. How many learners are in NEITHER set?

Of the 22 learners in Grade 8A, 12 are in set Cricket and 14 are in set Hockey; 6 learners are in both sets. How many learners are in NEITHER set?

Of the 31 learners in Grade 8A, 15 are in set Cellphone and 14 are in set Tablet. 5 learners are in neither set. How many learners are in BOTH sets?

Of the 26 learners in Grade 8D, 9 are in set Soccer and 15 are in set Chess. 7 learners are in neither set. How many learners are in BOTH sets?

Of the 22 learners in Grade 8C, 9 are in set Maths and 9 are in set Debate. 8 learners are in neither set. How many learners are in BOTH sets?

Of the 24 learners in Grade 8A, 14 are in set Dog and 14 are in set Cat. 4 learners are in neither set. How many learners are in BOTH sets?

The Venn diagram shows the learners in the Maths club (set Maths) and the learners in the Debate club (set Debate) among the Grade 8A learners. How many learners are in BOTH Maths and Debate?

Of the 22 learners in Grade 8A, 15 are in set Cricket and 11 are in set Hockey. 1 learners are in neither set. How many learners are in BOTH sets?

Of the 30 learners in Grade 8E, 14 are in set Cellphone and 16 are in set Tablet. 4 learners are in neither set. How many learners are in BOTH sets?