BANK Rajasthan Cooperative Board Clerk / Junior Assistant Mock Test 2021 Quantitative Aptitude Average
The average age of 8 students is 25 and if the average age of the first five and last 3 students are in a ratio 2 : 5 respectively then what is the average age of the last three-students?
1
10
2
20
3
30
4
40
5
None