The Total solution for NCERT class 6-12
Given:
The number of rootsfrom Goa to Bombay is air and sea.
So, the number of waysto go from Goa to Bombay is 2C1
Given: The number ofroots from Bombay to Delhi are: air, rail, and road.
So, the number of waysto go from Bombay to Delhi is 3C1
Hence, the number ofways to go from Goa to Delhi via Bombay is 2C1 × 3C1 = 2× 3 = 6 ways.