## 4. Study the following graph carefully and answer the questions given below it.

**4.1) By what approximate percentage the export of coffee increased from 1996-97 to 1997-98?**

(a) 205

(b) 185

(c) 195

(d) 190

**Solution: [(525 – 180)/180 ] * 100= 190%.**

**4.2) What is the ratio of the export of coffee in 1994-95 to that in 1996-97?**

(a) 69: 85

(b) 23: 30

(c) 85: 69

(d) 30: 23

**Solution= 138: 180 =69:90 = 23:30**

**4.3) What was the percentage increase in the export of Tea in 1997-98 from that in 1993-94?**

(a) 40

(b) 90

(c) 35

(d) 20

**Solution:- Percentage increase from previous year to this year = [(Initial – Final)/Initial]*100 = 40%**

**4.4) By what percent did the export of tea fall in 1994-95 from that in the previous duration?**

(a) 1

(b) 2

(c) 4

(d) 3

**Solution;- Fall in export of Tea in 94-95 = [(150 – 147)/150] * 100 = 2%**

**4.5) What was the ratio between the export of coffee to tea in 1997 -98?**

(a) 5:14

(b) 2:5

(c) 5:2

(d) 14:5

**Solution: – The ratio of coffee to tea in 92-98 = 525: 210 = 5: 2**