The Table given below presents the data on the Japanese Direct Foreign Investment by Industry. Based on the data, select the correct answers from the options given under each question. Enter the alphabet against the question number in the answer booklet.
TOTAL INVESTMENT FROM 1951-1988 
In a sequence of numbers, each term is generated by multiplying the previous term by 2 and then subtracting 1. If the first term is 3, what is the fourth term in the sequence?
The following data shows the number of students in different streams in a school: 
Which type of graph is best suited to represent this data?