The average income of 40 persons is 4200 and that of another 35 persons is 4000. The average income of the whole group is :
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Q:
The average income of 40 persons is 4200 and that of another 35 persons is 4000. The average income of the whole group is :
- 1$$ ₹ 4100{2\over3}$$true
- 2$$ ₹ 4108{1\over3}$$false
- 3₹ 4100false
- 4$$ ₹ 4106{1\over3}$$false
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