From Goa to Bombay there are two roots; air, and sea. From Bombay to D

1.	From Goa to Bombay there are two roots; air, and sea. From Bombay to Delhi there are three routes; air, rail, and road. From Goa to Delhi via Bombay, how many kinds of routes are there?
Answer» Given as The number of roots from Goa to Bombay is air and sea. Therefore, the number of ways to go from Goa to Bombay is ²C₁ Given as the number of roots from Bombay to Delhi are: air, rail, and road. Therefore, the number of ways to go from Bombay to Delhi is ³C₁ Thus, the number of ways to go from Goa to Delhi via Bombay is ²C₁ × ³C₁= 2 × 3 = 6 ways.

From Goa to Bombay there are two roots; air, and sea. From Bombay to Delhi there are three routes; air, rail, and road. From Goa to Delhi via Bombay, how many kinds of routes are there?

Answer»

Given as

The number of roots from Goa to Bombay is air and sea.

Therefore, the number of ways to go from Goa to Bombay is ²C₁

Given as the number of roots from Bombay to Delhi are: air, rail, and road.

Therefore, the number of ways to go from Bombay to Delhi is ³C₁

Thus, the number of ways to go from Goa to Delhi via Bombay is ²C₁ × ³C₁= 2 × 3 = 6 ways.