The question is followed by two statements I and II.
Mark
- if the question can be answered by any one of the statements alone, but cannot be answered by using the other statement alone.
- if the question can be answered by using either statement alone.
- if the question can be answered by using both the statements together, but cannot be answered by using either statement alone.
- if the question cannot be answered even by using both the statements together.
A line graph on a graph sheet shows the revenue for each year from $1990$ through $1998$ by points and joins the successive points by straight-line segments. The point for revenue of $1990$ is labelled A, that for $1991$ as B, and that for $1992$ as C. What is the ratio of growth in revenue between $1991-92$ and $1990-91?$
- The angle between AB and X-axis when measured with a protractor is $40^{\circ}$, and the angle between CB and X-axis is $80^{\circ}$.
- The scale of Y-axis is $1 \; \text{cm = Rs.} \; 100$