Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Mathematics Statistics Measures of Central Tendency
The mean marks of 25 boys in a class is 61 and the mean marks of 35 girls in the same class is 58. Then the mean of all 60 students is ______
1
56.25
2
59.25
3
57.25
4
More than one of the above
5
None of the above