1.There are 5 air flights and 15 buses per day to travel from Bhairahawa to Kathmandu. In how many ways can a man travel from Bhairahawa to Kathmandu per day? ​

Air travel is one of the most convenient routes to choose from. It's safe, it's fast, and it's comfortable. All major cities are well-connected with each other by the air route. And, traveling between them has become a matter of just a few hours.

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2 ways

Step-by-step explanation:

the man can decide to travel by air or with a bus. though there are 5air flights and 15 buses, all the air flights are considered to be a way he can travel and also all the buses are considered to be another way to travel. Hence, he has two ways he can travel.

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b