WBCHSE – Let us Work Out 26.1 – WB Class 10
WBCHSE – Let us Work Out 26.1 – WB Class 10 Q1) I have written ages of my 40 friends in the table given below. Age (Years) 15 16 17 18 19 20 Number of Friends 4 7 10 10 5 4 Let us find the average age of my friends by the direct … Read more