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Answer : 1. "
The average income of 40 persons is 4200 and that of another 35 persons is 4000. The average income of the whole group is :
5Q:
The average income of 40 persons is 4200 and that of another 35 persons is 4000. The average income of the whole group is :
- 1true
₹ - 2false
₹ - 3₹ 4100false
- 4false
₹
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