The weights of 4 boxes are 30, 70, 60 and 90 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 English exam by students of 7 divisions of standard X. Study the diagram and answer the question.
Marks of division F were greater than that of Division B by _________