Operator Precedence Rules in Ruby

Question 1 of 12

1

What is the output from the following ruby statement:

puts (1 + 2 * 2)

Select one of the following:

5
6
3
4

Explanation

Question 2 of 12

1

What is the output from the following ruby statement:

puts (4 * 6 / 2 * 2)

Select one of the following:

6
24
3
0

Explanation

Question 3 of 12

1

What is the output from the following ruby expression:

puts (4 / 2 * 2 + 2 / 2)

Select one of the following:

4
2
3
5

Explanation

Question 4 of 12

1

What is the output from the following ruby statement:

puts (5 + 10 % 3 + 6 / 2)

Select one of the following:

9
3
\(5 \frac{1}{2} \)
\(6 \frac{1}{2} \)

Explanation

Question 5 of 12

1

What is the output from the following ruby statement:

puts (4 * 2 ** 2 * 2)

Select one of the following:

32
16
128
64

Explanation

Question 6 of 12

1

What is the output from the final ruby statement:

c = 3
d = 4
puts (c or d == 7)

Select one of the following:

3
true
false
1

Explanation

Question 7 of 12

1

What is the output of the last ruby statement

x = 5 && 4
puts x

Select one of the following:

true
false
5
4

Explanation

Question 8 of 12

1

What is the output of the last ruby statement

x = 5 and 4
puts x

Select one of the following:

true
false
5
4

Explanation

Question 9 of 12

1

What is the output from the final ruby statement:

a = false
b = true
! a || b = false
puts b

Select one of the following:

true
false
0
1

Explanation

Question 10 of 12

1

What is the output from the following ruby statement

puts (13 & 10 << 1)

Select one of the following:

4
16
5
8

Explanation

Question 11 of 12

1

What is the output from the final ruby statement

a = false
b = true
puts (a && b ? 'foo' : 'bar')

Select one of the following:

true
false
foo
bar

Explanation

Question 12 of 12

1

What is the output from the final ruby statement

a = false
b = true
puts (a and b ? 'foo' : 'bar')

Select one of the following:

true
false
foo
bar

	Created by Domhnall Murphy about 2 years ago

Think you know operator precedence rules? Test yourself on operator precedence rules in ruby with this short quiz.

Operator Precedence Rules in Ruby

Question 1 of 12

What is the output from the following ruby statement: puts (1 + 2 * 2)

Select one of the following:

Explanation

Question 2 of 12

What is the output from the following ruby statement: puts (4 * 6 / 2 * 2)

Select one of the following:

Explanation

Question 3 of 12

What is the output from the following ruby expression: puts (4 / 2 * 2 + 2 / 2)

Select one of the following:

Explanation

Question 4 of 12

What is the output from the following ruby statement: puts (5 + 10 % 3 + 6 / 2)

Select one of the following:

Explanation

Question 5 of 12

What is the output from the following ruby statement: puts (4 * 2 ** 2 * 2)

Select one of the following:

Explanation

Question 6 of 12

What is the output from the final ruby statement: c = 3 d = 4 puts (c or d == 7)

Select one of the following:

Explanation

Question 7 of 12

What is the output of the last ruby statement x = 5 && 4 puts x

Select one of the following:

Explanation

Question 8 of 12

What is the output of the last ruby statement x = 5 and 4 puts x

Select one of the following:

Explanation

Question 9 of 12

What is the output from the final ruby statement: a = false b = true ! a || b = false puts b

Select one of the following:

Explanation

Question 10 of 12

What is the output from the following ruby statement puts (13 & 10 << 1)

Select one of the following:

Explanation

Question 11 of 12

What is the output from the final ruby statement a = false b = true puts (a && b ? 'foo' : 'bar')

Select one of the following:

Explanation

Question 12 of 12

What is the output from the final ruby statement a = false b = true puts (a and b ? 'foo' : 'bar')

Select one of the following:

Explanation

What is the output from the following ruby statement:

puts (1 + 2 * 2)

What is the output from the following ruby statement:

puts (4 * 6 / 2 * 2)

What is the output from the following ruby expression:

puts (4 / 2 * 2 + 2 / 2)

What is the output from the following ruby statement:

puts (5 + 10 % 3 + 6 / 2)

What is the output from the following ruby statement:

puts (4 * 2 ** 2 * 2)

What is the output from the final ruby statement:

c = 3
d = 4
puts (c or d == 7)

What is the output of the last ruby statement

x = 5 && 4
puts x

What is the output of the last ruby statement

x = 5 and 4
puts x

What is the output from the final ruby statement:

a = false
b = true
! a || b = false
puts b

What is the output from the following ruby statement

puts (13 & 10 << 1)

What is the output from the final ruby statement

a = false
b = true
puts (a && b ? 'foo' : 'bar')

What is the output from the final ruby statement

a = false
b = true
puts (a and b ? 'foo' : 'bar')