Directions: Study the following table chart carefully and answer the questions.
The following chart shows the percentage of people who bought different cars from 2010 to 2015.
If the number of Maruti buyers doubled from 2010 to 2013, then find the ratio between the number of Tata buyers in 2013 and the number of Mahindra buyers in 2010.
1
2 : 7
2
5 : 4
3
9 : 2
4
3 : 4