state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Elementary Statistics
The mean, median and mode of the observations 9, a, 15, 17, b, 18, c, 18 and b are 16, 17 and 17 respectively. If a < b < c, then find the value of √(a + 2b + c).
1
√117
2
√67
3
√57
4
√97