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 over 1 year ago

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

Operator Precedence Rules in Ruby

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')