What was the average profit earned by all the companies in 2003? (In crore Rs.rounded-off to two digits after decimal).

Required average profit

Rs. $left( {frac{{20 + 40 + 50 + 70 + 50 + 80 + 60}}{7}} ight)$ crore

$= frac{{370}}{7} = { m{Rs}}.52.86$ crore