Question

The pictograph given below shows the number of students in a Nursery School in four consecutive years. a 2006 2005 2004 2003 stands for 20 students​

Answer 1

Answer:

There are five rows for the classes I to V. A scale is fixed: One face is taken to represent 10 students. So, for 70 students of class I, 7 faces are made. For Class II also 7 faces are made for 70 students. For 60 students of class III there are 6 faces. For 50 students of class IV 5 faces and for 40 students of class V there are 4 faces.