1. What was the approximate percent drop in the sales of pep-up in 1990 over its sale in 1989? A. 5 B. 14 C. 12 D. 20 Answer & Solution Discuss in Board Answer & Solution Answer: Option B Solution: Sales of pep up: Year 1989 = 35 lakh bottles Year 1990 = 30 lakh bottles ∴ Required percent $$\eqalign{ & = \frac{35 - 30}{35} \times 100 \cr & = \frac{100}{7} \cr & = 14.28 \approx 14 \cr} $$
2. In case of which soft drink was the average annual sale minimum during the period 1988-1993? A. Pep-up only B. Cool-up only C. Dew-drop only D. Dew-drop and Cool-up Answer & Solution Discuss in Board Answer & Solution Answer: Option C Solution: $$\eqalign{ & \text{Average annual sales of Dew-drop} \cr & = \frac{10 + 15 + 15 + 15 + 30 + 25}{6} \cr & = \frac{110}{6} \cr & = 18.3 \text{ lakh bottles} \cr & \text{Average sales of Cool-up} \cr & = \frac{120}{6} \cr & = 20 \text{ lakh bottles} \cr & \text{So, minimum sales = Dew-drop} \cr} $$
3. In which year the sale of cool-up is minimum? A. 1990 B. 1992 C. 1993 D. None of these above Answer & Solution Discuss in Board Answer & Solution Answer: Option D Solution: It is clear from the graph Minimum sales is in 1989 = 55 lakh bottles
4. What was the approximate percent increase in sales of cool-up in 1990 over its sales in 1989? A. 100% B. 50% C. 216% D. 150% Answer & Solution Discuss in Board Answer & Solution Answer: Option C Solution: Sales of cool up in 1989 = 6 lakh bottles Sales of cool up in 1990 = 19 lakh bottles ∴ Required percent $$\eqalign{ & = \frac{19 - 6}{6} \times 100 \cr & = \frac{13}{6} \times 100 \cr & = 216\% \cr} $$
5. In case of which soft drink was the average annual sale maximum during the period 1988-1993? A. Pep-up only B. Pep-up and Dew-drop C. Cool-up only D. Cool-up and Pep-up Answer & Solution Discuss in Board Answer & Solution Answer: Option A Solution: Average annual sales during 1988 - 1993 Cool up $$\eqalign{ & = \frac{25 + 6 + 19 + 15 + 25 + 30}{6} \cr & = \frac{120}{6} \cr & = 20 \text{ lakh bottles} \cr & \text{Pep up} \cr & = \frac{30 + 35 + 30 + 25 + 20 + 20}{6} \cr & = \frac{160}{6} \cr & = 26\frac{2}{3} \text{ lakh bottles} \cr} $$
6. In which year sale of Dew-drop is maximum? A. 1988 B. 1992 C. 1989 D. 1993 Answer & Solution Discuss in Board Answer & Solution Answer: Option B Solution: Sales of dew drop in 1992 = 30 lakh bottles
