engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Quantitative Aptitude Ratio and Proportion Simple Ratios
If the average age of 20 girls in a class of 50 students is 12 years, while the average age of the entire class is 15 years, what is the average age of the boys in the class?
1
16 years
2
17 years
3
15 years
4
14 years