Question

A team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In how many ways can they travel?

A) 126 B) 120 C) 146 D) 156

Answer 1

Answer:

option( a ) 126

Step-by-step explanation:

case 1= 5students in first car and 3in the second

or

case2 =4 in one car and 4 in the second car

hence in case 1:8 students are divided into groups of 5 and 3 in 8c3 ways

similarly in case 2:8 students are divided into two groups of 4 and 4 in 8c4 ways in which 8 students can travel is

=8c3+8c4

= 56+70

=126

Answer 2

Answer:

option a is correct .. .. ...