engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Average
The average age of 20 boys is 15 years. If the age of 10 girls is added to them, the average age of all will be 14 years. then what will be the average age of the girls?
1
10
2
16
3
13
4
None of these