Problem: a mathematics teacher tabulated the marks secured by 35 students of 8 th class . the average of their marks was 72 . if the marks secured by reema was written as 46 instead of 56 then find the correct average marks up to two decimal places . 
Options: a ) 73.41 , b ) 72.28 , c ) 72.43 , d ) 73.43 , e ) can not be determined
b