If ten years ago the age of son is 40% of the age of the father and after twenty years the age of the son is 62.5% ofthe age of the father, what is the present age of the son ?

Ram sold a cycle to Mohan at 10% discounted value of the printed rate. The discounted value is Rs 2070. If the printed rate is 15% profit of the purchase rate, what is the purchase rate of the cycle ?

Direction (Q. 6 - 10): Following line graph shows the profit earned (in the Rs cr) by two companies 'A' and ' B ' during a period of six years. Answer the following questions based on this graph.

What is the ratio of profit earned by Company 'A' in 2000 to the profit earned by Company 'B' in year 2005 ?