1 Thousand = ____ Hundreds
100
10
20
50
Question 4(a)
The number of persons in various age groups in a town is given in the following table: Draw a bar graph to represent the above information and answer the following question. (Take 1 unit length = 20 thousand) Which two age groups have the same population?
Let A = {10, 15, 20, 25, 30, 35, 40, 45 } 50 , B = { 1, 5,10,15, 20, 30} and C = { 1, 5,15, 20, 35, 45, }. Verify A∖(B∩C)=(A∖B)∪(A∖C).