Interview question based on skill :
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is the output of the given code? multi_d_array = [[1,2,3,4],[0,0,0,0]] multi_d_array.each { |x| puts "#{x}\n" }
Correct Answer is : [1, 2, 3, 4].
2. 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
Correct Answer is : Not equal
3. 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
Correct Answer is : Not equal
4. 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
Correct Answer is : Equal
5. 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
Correct Answer is : Equal
6. 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
Correct Answer is : [[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
7. 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
Correct Answer is : [[1, 2, 3, 4], [0, 0, 0, 0], [1, 2, 3, 4], [0, 0, 0, 0]].
8. 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
Correct Answer is : [].
9. 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
Correct Answer is : [].
10. 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
Correct Answer is : Error
11. 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
Correct Answer is : Error
12. 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
Correct Answer is : [[1, 2, 3], [0, 0, 0]].
13. 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
Correct Answer is : [[1, 2, 3], [0, 0, 0]].
14. 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
Correct Answer is : [[1, 2, 3, 4, 5], [0, 0, 0, 0]].
15. 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
Correct Answer is : [[1, 2, 3, 4, 5], [0, 0, 0, 0]].
16. 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
Correct Answer is : [[1, 2, 3, 4, 5], [0, 0, 0, 0]].
17. 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
Correct Answer is : [[1, 2, 3, 4, 5], [0, 0, 0, 0]].
18. What is the output of the given code? a=[["a","b"]] b=[["e","a"]] print a + b
Correct Answer is : [[“a”, “b”], [“e”, “a”]].
19. What is the output of the given code? a=[["a","b"]] b=[["e","a"]] print a + b
Correct Answer is : [[“a”, “b”], [“e”, “a”]].
20. It is possible to make array of booleans.
Correct Answer is : TRUE
