Interview question based on skill :
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Total Questions: 20
1. Why do we use =begin and =end?
Correct Answer is : All of the mentioned
2. What is the output of the given code? "Ruby Language".length =begin calculate length =end
Correct Answer is : 13
3. What is the output of the given code? "Ruby Language".length = begin calculate length = end
Correct Answer is : Error
4. Space between 2+5 or 2 + 5 is valid but =begin and = begin is not valid.
Correct Answer is : TRUE
5. The == ‘is equal to’ is known as relational operator.
Correct Answer is : TRUE
6. The ‘=’ is used for assigning value to variable?
Correct Answer is : TRUE
7. What will the following code evaluate to? a=9!=10
Correct Answer is : TRUE
8. What is the output of the given code? test_1 = 17 > 16 puts(test_1) test_2 = 21 <= 30 puts(test_2) test_3 = 9 >= 9 puts(test_3) test_4 = -11 > 4 puts(test_4)
Correct Answer is : True True True False
9. What is the output of the given code? a="string" b="strings" if(a==b) print ("a and b are same") else print "Not same" end
Correct Answer is : Not same
10. Assignment operator is also known as relational operator.
Correct Answer is : TRUE
11. What is the output of the given code? a=10 b=9 if(a>b) print ("a greater than b") else print "Not greater" end
Correct Answer is : a greater than b
12. Which of the following are used for comparison?
Correct Answer is : All of the mentioned
13. What is the output of the given code? if(a==10 && b=9) print "true" else print "false" end
Correct Answer is : Error
14. What is the output of the given code? counter=1 if counter<=5 puts (counter) counter=counter+1
Correct Answer is : Syntax error
15. Which of the following datatypes are valid in Ruby?
Correct Answer is : All of the mentioned
16. What will any variable evaluate to if it is of Boolean data type?
Correct Answer is : Either True or False
17. Why can not we use quotation marks (‘ or “) with boolean?
Correct Answer is : It indicates that we are talking about a string
18. Ruby is a case-sensitive language.
Correct Answer is : TRUE
19. What is the size of an integer data type in ruby?
Correct Answer is : -230 to 2(30-1)
20. Ruby can deal with both numbers and floating point values.
Correct Answer is : TRUE
