Fill in the blanks in the following table which represents shirt size of 40 students of a school.

ii) shows four vertical lines and one cross line

means 4+1=5

iii) we know that 8=5+3 it can represented as

iv) means 5+2=7

v) we know that 10=5+5 here 5 is represented by

so 10 is represented by

vi) we know that 7=5+2

here can be represented as