Ruby MCQs with answers Page - 7

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A

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Q. Which statement is used to restarts the invocation of the iterator call?

  • (A) break
  • (B) next
  • (C) redo
  • (D) retry

A

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Q. What does the 1..5 indicate?

  • (A) Exclusive range
  • (B) Both inclusive and exclusive range
  • (C) Inclusive range
  • (D) None of the above

A

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Q. Which of the following is Exit Controlled loop?

  • (A) do..while
  • (B) For
  • (C) Until
  • (D) While

A

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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

A

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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

A

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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

A

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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

A

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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

A

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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

A

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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

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