engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Average
The average of 16 students in a school is 20. out of them, the average of 5 students is 20 and the average of the other 10 students is 20.4 find the age of the 16th student.
1
24
2
16
3
22
4
20