Best Govt and Competitive Exam Preparation for Bank, SSC, Railways, CTET, GATE, Defence, UPSC, LAW, MBA, NET, BBA, JEE, NEET and Other States Sarkari Exams.

The eccentricity of the hyperbola 9x - 16y = 144 is:
1. 5/4
2. 9/7
3. 11/2
4. 16/9