NinetynineCAT 2018 Slot 1 QA Q22 Set Theory
Question 22 of the Quantitative Ability (QA) section, CAT 2018 Slot 1, with CAT's official answer.
Each of 74 students in a class studies at least one of the three subjects H, E and P. Ten students study all three subjects, while twenty study H and E, but not P. Every student who studies P also studies H or E or both. If the number of students studying H equals that studying E, then the number of students studying H is [TITA]
TITA: type in the answer. There are no options and no negative marking.
Answer: 52 Set Theory TITA
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