Solution:Concept: The concept used in this question is the application of proportionality.
No specific formulas are used to solve these problems just simple assumption
Assumes the ratios in a proportion in term-
So, Ratio value of 1st class ticket is given by so rs
same as of economy class is , so the price is rs
solving the above equation
Therefore the answer is 22.22%.
Hence, the correct answer is option 1.