MPSC State Service 2019 · CSAT · Question 67 of 72

In a group, 2/5 of all students are girls and 2/3 of girls scored above 90% marks in Mathematics. If 36 girls have scored above 90%, then select the option that indicates the number of students who are not girls.

Quantitative Aptitude

Answer: B. 81

36 = (2/3) of girls → 54 girls = (2/5) of the total → 135 total, 81 not girls.

Source: MPSC Rajyaseva Prelims 2019 – CSAT Paper II (Set A), official paper

Practice the full MPSC State Service 2019 paper

Timed test with all 72 questions, just like the real exam.

MPSC State Service 2019 · CSAT · Question 67 of 72

Quantitative Aptitude

36 = (2/3) of girls → 54 girls = (2/5) of the total → 135 total, 81 not girls.

Source: MPSC Rajyaseva Prelims 2019 – CSAT Paper II (Set A), official paper

Practice the full MPSC State Service 2019 paper

Timed test with all 72 questions, just like the real exam.