practice-ruby/conditionals2_practice_problems.rb at main · annatoman/practice-ruby · GitHub

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# 1. Use a variable to store a number, then write a condition that prints 0 if the number is equal to 10, and prints -1 otherwise.

puts "Problem 1: "

number = 11

if number == 10
    p 0
else
    p -1
end

# 2. Use a variable to store a number, then write a condition that prints -1 if the number is less than 10, prints 1 if the number is greater than 10, and prints 0 if the number is equal to 10.

puts "Problem 2: "

number = 10

if number < 10
    p -1
elsif number > 10
    p 1
else
    p 0
end


# 3. Use variables to store two numbers, then write a condition that prints 1 if the numbers are both less than 10, and prints 0 otherwise.

puts "Problem 3: "

number1 = 1
number2 = 1

if number1 < 10 && number2 < 10
    p 1
else
    p 0
end

# 4. Use a variable to store a number, then write a condition that prints 1 if the number is over 9000, and prints -1 otherwise.

puts "Problem 4: "

number = 10000

if number > 9000
    p 1
else
    p -1
end

# 5. Use a variable to store a number, then write a condition that prints 9 if the number is less than 10, prints 19 if the number is less than 20, prints 29 if the number is less than 30, and prints -1 otherwise (only one print statement should occur).

puts "Problem 5: "

number = 29

if number < 10
    p 9
elsif number < 20
    p 19
elsif number < 30
    p 29
else
    p -1
end

# 6. Use variables to store two numbers, then write a condition that prints 100 if either number is greater than 10, and prints -100 otherwise.

puts "Problem 6: "

number1 = 11
number2 = 1

if number1 > 10 || number2 > 10
    p 100
else
    p -100
end

# 7. Use a variable to store a number, then write a condition that prints 1776 if the number is less than 0, and prints 1979 otherwise.

puts "Problem 7: "

number = -10

if number < 0
    p 1776
else
    p 1979
end


# 8. Use a variable to store a number, then write a condition that prints 100 if the number equals 100, prints 99 if the number is equal to 99, and prints 0 otherwise.

puts "Problem 8: "

number = 99

if number == 100
    p 100
elsif number == 99
    p 99
else
    p 0
end

# 9. Use variables to store two numbers, then write a condition that prints 1 if the first number is less than zero and the second number is greater than 0, and prints 0 otherwise.

puts "Problem 9: "

number = -1
number2 = 10

if number < 0 && number2 > 0
    p 1
else
    p 0
end

# 10. Use a variable to store a number, then write a condition that prints 5 if the number is greater than 80, prints 4 if the number is greater than 60, prints 3 if the number is greater than 40, prints 2 if the number is greater than 20, and prints 1 otherwise (only one print statement should occur).

puts "Problem 10: "

number = 100

if number > 80
    p 5
elsif number > 60
    p 4
elsif number > 40
    p 3
elsif number > 20
    p 2
else
    p 1
end