Assignment:
Question 1. How many ways can 18 different vehicles be arranged in a car dealership showroom?
a) In a single row ?
b) In 2 rows, where 7 of the vehicles are trucks to be arranged in one row, and the other 11 vehicles are cars, to be arranged in another row?
Question 2. There are 18 people in a choir, for a school of music. How many different ways can they be arranged.
a) In a single row?
b) In 3 rows, with 5 in the first row, 6 in the second row, and 7 in the third row?
Provide complete and step by step solution for the question and show calculations and use formulas.