Ruby MCQs with answers Page - 8

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V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
for num in 1...5
  puts num
end
  • (A) 1 2 3 4
  • (B) 1 2 3 4 5
  • (C) 0 1 2 3 4
  • (D) 0 1 2 3 4 5

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
for i in 1...3  
  for j in 1..3
  puts j
  end
end
  • (A) 1 2 1 2
  • (B) 0 1 2 0 1 2
  • (C) 1 2 3 1 2 3
  • (D) 1 2 3 1 2

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
for num in 1...4

   puts num*num

end
  • (A) 0 1 4 9
  • (B) 1 4 9 16
  • (C) 0 1 2 3
  • (D) 1 2 3

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
i=1
for i in 6..10
puts i**2
end
  • (A) 36 49 64 81
  • (B) 49 64 81 100
  • (C) 49 64 81
  • (D) 36 49 64 81 100

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
for i in 1..5 && j in 5..10
puts i+j
end
  • (A) 6 8 10 12 14 16
  • (B) Syntax Error
  • (C) 6 8 10 12 14
  • (D) Type Error

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
counter = 1
while counter < 5
  puts counter
  counter = counter + 1
end
  • (A) Prints the number from 1 to 4
  • (B) Prints the number from 1 to 5
  • (C) Prints the number from 2 to 5
  • (D) Prints the number from 2 to 4

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
counter = true
while counter !=false
  puts counter
end
  • (A) TRUE
  • (B) FALSE
  • (C) Syntax Error
  • (D) Infinite Loop

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
while a&&b
puts a
end
  • (A) TRUE
  • (B) FALSE
  • (C) Syntax Error
  • (D) Name Error

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
a=1
b=1
while a&&b
puts a+b
end
  • (A) 2
  • (B) 2 2 2 2 2
  • (C) Infinite Loop
  • (D) Syntax Error

V

Vinay Kumar • 8.55K Points
Tutor III

Q. What will be the output of the given code?

Code:
i = 4
while i > 0 do
  print i
  i -= 1
end
  • (A) 321
  • (B) 3210
  • (C) 4321
  • (D) 43210

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