

MCQOPTIONS
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1. |
A group of 210 students appeared in some test. The mean of 1/3 rd of students is found to be 60. The mean of the remaining students is found to be 78. The mean of the whole group will be: |
A. | 80 |
B. | 76 |
C. | 74 |
D. | 72 |
Answer» E. | |