Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Elementary Statistics
If the mean of n observations is 12 and the sum of those observations is 132, then find the value of n.
1
9
2
10
3
11
4
More than one of the above
5
None of the above