The average income of 40 persons is Rs 4200 and that of another 35 persons is Rs. 4000. Find the average income of the whole group. |
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a) |
4106 |
b) |
4000 |
c) |
3000 |
d) |
1000 |

The average income of 40 persons is Rs 4200 and that of another 35 persons is Rs. 4000. Find the average income of the whole group. |
|||||||

a) |
4106 |
b) |
4000 |
c) |
3000 |
d) |
1000 |

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