engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Average
What will be the average mark of all the students if 80, 90, 70 are the average marks of the 3 groups of 4, 5, and 6 students respectively?
1
77.33
2
79.33
3
85
4
75.33
5
None of these