Sectional composition of QA section in CAT 2018 exam as per the official mock test released this year will be as follows:

Quant Topic Expected Number of Questions Question Type -tive Marking
Arithmetic 14 MCQs + Non-MCQs Unclear
Algebra5MCQs Yes
Trigonometry4MCQs + Non-MCQs Unclear
Geometry6MCQs + Non-MCQs Unclear
PnC2MCQs Yes
Others 3Non MCQs No