
The ratio of Volvo sales in Q2 to Mercedes sales in Q1 is:
\[ \text{Ratio} = \frac{1600}{800} = 2:1 \]
The correct answer is 2:1.





Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?