Olete.in – MCQs, Mock Tests & Government Job Prep | Ruby Ruby Multiple Choice Questions Set 2

What is the output of the given code? i = 0 while i < 5 puts i i=(i+1)**2 end

1. 1 2 3 4 5
2. 0 1 4
3. 0 1
4. 1 4

✅ Correct Answer: 2

What is the output of the given code? a=5 b=15 while a&&b puts a+b end

1. 5..15
2. 20
3. Infinite loop
4. 5 15

✅ Correct Answer: 3

What is the output of the given code? a=5 b=15 while b>a puts a*(b-a) while a>b a+=1 b-=1 end end

1. 5..15
2. 50
3. Infinite loop
4. 5 50

✅ Correct Answer: 3

What is the output of the given code? i = 3 while i > 0 do print i i -= 1 end

1. 3
2. 321
3. Infinite loop
4. 3 2 1 0

✅ Correct Answer: 2

What is the output of the given code? i = 50 while i > 25 do print 50/i i -= 1 end

1. 50..25
2. 50..1
3. Infinite loop
4. 1111111111111111111111111

✅ Correct Answer: 4

What is the output of the given code? a = 5 b=10 while a<b do puts a*b a+=2 b-=2 end

1. 5 10
2. 50 56
3. Infinite loop
4. 5 6 7 8 9 10

✅ Correct Answer: 2

What is the output of the given code? i = 50 j=55 while i > 25 && j>35 do puts 50*j/i i -= 1 j-=2 end

1. 25 35
2. 50 55
3. Infinite loop
4. 55 54 53 52 51 50 48 47 46 45

✅ Correct Answer: 2

What is the output of the given code? i = 50 j=55 while i > 25 && i*j<100 do puts (50*j)/i i -= 1 j-=2 end

1. 25 35
2. No output
3. Infinite loop
4. 55 54 53 52 51 50 48 47 46 45

✅ Correct Answer: 2

What is the output of the given code? counter = 1 until counter > 10 puts counter counter+=1 end

1. 1 2 3 4 5 6 7 8 9 10
2. 11 12 13 14 … infinite loop
3. 0 1 2 3 4 5 6 7 8 9
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? for num in 1...5 puts num end

1. 1 2 3 4 5
2. 1 2 3 4
3. 2 3 4 5
4. None of the mentioned

✅ Correct Answer: 2

What will be the output of the following? array = [100, 200, 300, 400, 500] print array[4]

1. 400
2. 500
3. Nil
4. None of the mentioned

✅ Correct Answer: 2

What will be the output of the following? array = [100, 200, 300, 400, 500] print array[5]

1. 400
2. 500
3. Nil
4. None of the mentioned

✅ Correct Answer: 3

What will be the output of the following? array = [100, 200, 300, 400, 500] print "array[5]"

1. array[5].
2. 500
3. Nil
4. None of the mentioned

✅ Correct Answer: 1

What will be the output of the following? array1 = [100, 200, 300, 400, 500] array2 = [1,2,3,4,5] if array1 == array2 print "They are equal" else print "Not equal" end

1. They are equal
2. Not equal
3. Nil
4. None of the mentioned

✅ Correct Answer: 2

What will be the output of the following? array1 = [0,0,0] array2 = [0,0,0] if array1 == array2 print "They are equal" else print "Not equal" end

1. They are equal
2. NilNot equal
3. Nil
4. None of the mentioned

✅ Correct Answer: 1

What will be the output of the following? array1 = [1,2,3] array2 = [0,0,0] if array1 == array2 print "Equal" else print "Not equal" end

1. Equal
2. Not equal
3. Error
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? string_array = ["a","e","i","o","u"] print string_array

1. [“a”,”e”,”i”,”o”,”u”].
2. Error
3. Vowels
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? string_array = ["a","e","i","o","u"] print string_array[3]

1. [“a”,”e”,”i”,”o”,”u”].
2. Error
3. o
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? string_array = ["a","e","i","o","u"] boolean_array = ["True","False"] puts string_array[3] puts boolean_array

1. [“a”,”e”,”i”,”o”,”u”].
2. Error
3. o True False
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? string_array = ["a","e","i","o","u"] boolean_array = ["True","False"] puts string_array[3] puts boolean_array[1]

1. [“a”,”e”,”i”,”o”,”u”].
2. Error
3. o False
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? a=[1,2,3,4,5] b=[1,2,4,6,8] if a[3]==b[2] print "Equal" end

1. Equal
2. Error
3. 4
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? a=[1,2,3,4,5] b=[1,2,3,4,5] if a==b print "Equal" else print "Not equal" end

1. Equal
2. Error
3. Not equal
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? a=["hey", "ruby", "language"] b=["hey", "ruby", "language"] if a==b print "Equal" else print "Not equal" end

1. Equal
2. Error
3. Not equal
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? a=["hey", "ruby", "language"] b=["hey", "language", "ruby"] if a==b print "Equal" else print "Not equal" end

1. Equal
2. Error
3. Not equal
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? a=["hey", "ruby", "language"] b=[1, 2, 3] puts b[1] puts a[2]

1. 3 ruby
2. b) Error c)
3. 2 language
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? multi_d_array = [[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]] print multi_d_array

1. [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]].
2. [0, 0, 0, 0].
3. [0, 0, 0, 0][0, 0, 0, 0].
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3],[0,0,0,0]] if array1==array2 print "Equal" else print "Not equal" end

1. [[1, 2, 3, 4], [0, 0, 0, 0]].
2. Equal
3. Not equal
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3,4],[0,0,0,0]] if array1==array2 print "Equal" else print "Not equal" end

1. [[1, 2, 3, 4], [0, 0, 0, 0]].
2. Equal
3. Not equal
4. None of the mentioned

✅ Correct Answer: 2

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3,4],[0,0,0,0]] print array1+array2

1. [[1, 2, 3, 4], [0, 0, 0, 0]].
2. [[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
3. [[2,4,6,8],[0,0,0,0]].
4. None of the mentioned

✅ Correct Answer: 2

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3,4],[0,0,0,0]] print array1-array2

1. [[1, 2, 3, 4], [0, 0, 0, 0]].
2. [[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
3. [].
4. None of the mentioned

✅ Correct Answer: 3

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3,4],[0,0,0,0]] print array1*array2

1. [[1, 2, 3, 4], [0, 0, 0, 0]].
2. [[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
3. [].
4. Error

✅ Correct Answer: 4

What is the output of the given code? array1 = [[1,2,3,4],[0,0,0,0]] array2 = [[1,2,3],[0,0,0]] print array1 && array2

1. [[1, 2, 3], [0, 0, 0]].
2. [[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
3. [].
4. Error

✅ Correct Answer: 1

What is the output of the given code? array1 = [[1,2,3,4,5],[0,0,0,0]] array2 = [[1,2,3],[0,0,0]] print array1 || array2

1. [[1, 2, 3], [0, 0, 0]].
2. [[1, 2, 3, 4, 5], [0, 0, 0, 0]].
3. [].
4. Error

✅ Correct Answer: 2

What is the output of the given code? array1 = [[1,2,3,4,5],[0,0,0,0]] array2 = [[1,2,3],[0,0,0]] print !array1

1. [[1, 2, 3], [0, 0, 0]].
2. [[1, 2, 3, 4, 5], [0, 0, 0, 0]].
3. False
4. Error

✅ Correct Answer: 2

What is the output of the given code? a=[["a","b"]] b=[["e","a"]] print a + b

1. [[“a”, “b”], [“e”, “a”]].
2. [[“2a”, “b”], [“e”]].
3. False
4. Error

✅ Correct Answer: 1

What is the output of the given code? string_array = ["a","e","i","o","u"] print string_array

1. “a”,”e”,”i”,”o”,”u”].
2. Error
3. Vowels
4. None of the mentioned

✅ Correct Answer: 1

What is the output of the given code? a=[1,2,3,4,5] b=[1,2,4,6,8] if a[3]==b[2] print "Equal" end

1. [“a”,”e”,”i”,”o”,”u”]. b) c)
2. Error
3. o False
4. None of the mentioned

✅ Correct Answer: 1