engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Average
The average marks obtained by the whole class is 'z - 5'. If the average marks obtained by boys and girls in the same class is 'z - 6' and 'z + 2' respectively, then find the ratio of number of girls and boys in the class.
1
2 ∶ 7
2
1 ∶ 7
3
4 ∶ 7
4
3 ∶ 7