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: Option C

Solution(By Examveda Team)

Sales of cool up in 1989 = 6 lakh bottles
Sales of cool up in 1990 = 19 lakh bottles
∴ Required percent
$$\eqalign{ & = \frac{19 - 6}{6} \times 100 \cr & = \frac{13}{6} \times 100 \cr & = 216\% \cr} $$