**DIRECTION :** The following table gives the sales details for text books and reference books at Primary/Secondary/Higher Secondary/Graduate Levels.

**Question 1. **Â Which of the categories shows the lowest growth rate from 1990 to 1995?

(a) Primary

(b) Secondary

(c) Higher secondary

(d) Graduate Level

**Question 2. Â **What is the growth rate of sales of books at primary school level from 1990 to 1995?

(a) 29%

(b) 51%

(c) 63%

(d) 163%

**Question 3. Â **Which of the categories had either a consistent growth or a consistent decline in the period shown?

(a) Primary

(b) Secondary

(c) Higher secondary

(d) Graduate Level

**Question 4. Â **Which category had the highest growth rate in the period?

(a) Primary

(b) Secondary

(c) Higher secondary

(d) Graduate Level

### Answers and Explanations

Solution- From the given table, we may form the following table-

**Answer 1. (C)**

From the table it is shown that percentage growth is least for higher secondary books i.e. 26%.

**Answer 2. (C)**

Since we can see that the answer options are not so much closed to each other so we can take the approximate values. so required ratio = (68600 â€“ 42000) 100 / 42000 = 2650 / 42 = 63%

**Answer 3. (D)**

There is a constant growth though primary level books, but it has declined in the year 1993. But except for the year 1992, Secondary and Higher secondary level books have shown a consistent increase. But from all the graduate level books have shown a consistent growth over the period.

**Answer 4. (B)**

From the given table in answer we can see that the percentage growth rate is maximum for secondary level books i.e.128%.