state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Average
The mean of 9 numbers is 15. If the mean of the first 5 numbers is 17 and that of the last 5 numbers is 14, find the 5th number.
1
16
2
20
3
15.5
4
23