Multiple Choice Questions

The average income of 40 persons is Rs 4200 and that of another 35 persons is Rs 4000 The average in...........

Qunatitative Aptitude (RBI Ast) Average

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

Rs. 4100

Rs. 4106

Rs.4106 2/3

Rs.4108 1/3

Average income of whole group $= \frac{4200\times 40+4000\times 35}{75}$

$= \frac{168000+140000}{75}$

$= \frac{308000}{75} = 4106\frac{2}{3}Rs.$

Hence, option 3 is the correct answer.

Submit Error

Want Exam specific Multiple Choice Questions on Time and work Choose below

Please Wait..