1.

The average income of 10 persons in a family is 10000 one new was added in a family and the average income becomes 11200 what is the income of the newly added members

Answer»

Answer:

12000

Explanation:

if 10000 is AVERAGE income of 10 members then average income of ONE member will be 1000 .

if one member is ADDED to them then

11200-10000= 1200.

there are 10 members so

1200×10= 12000

HENCE PROVED



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