The bar graph shows average marks scored in a 100 marks Geography exam by students of 7 divisions of standard X. Study the diagram and answer the following questions.
Average marks of division A were lesser than that of Division C by _________
Present age of Vikas and Raman are in the ratio of 6 : 5 respectively. If the present age of Rohan is 98 years and the present age of Vikas is 3/7 of the the present age of Rohan, then after how many years the ages of Vikas and Raman would be in the ratio of 7 : 6?