The weights of 4 boxes are 30, 20, 60 and 70 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?
The bar graph shows average marks scored in a 100 marks Maths exam by students of 7 divisions of Standard X. Study the diagram and answer the following questions.
Average marks of division C were lesser than that of division E by _________