Ruby interview questions part 3
Ruby interview questions part 3
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? string_array = ["a","e","i","o","u"] print string_array
Correct Answer is : [“a”,”e”,”i”,”o”,”u”].
2. What is the output of the given code? string_array = ["a","e","i","o","u"] print string_array[3]
Correct Answer is : o
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
Correct Answer is : o
4. 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]
Correct Answer is : o
5. 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
Correct Answer is : Equal
6. 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
Correct Answer is : Equal
7. 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
Correct Answer is : Equal
8. 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
Correct Answer is : Not equal
9. What is the output of the given code? a=["hey", "ruby", "language"] b=[1, 2, 3] puts b[1] puts a[2]
Correct Answer is : 2
10. Which of the following is a valid assignment operator?
Correct Answer is : All of the mentioned
11. What does the **= assignment operator do?
Correct Answer is : It is used as exponent like 2**3=8
12. What is the output of the given code? counter = 2 while counter < 68 puts counter counter**=2 end
Correct Answer is : 42404
13. What is the output of the given code? counter = 1 while counter < 11 puts counter counter+=1 end
Correct Answer is : 1..10
14. Ruby does not support ++ operator, it only supports += operator.
Correct Answer is : TRUE
15. What is the output of the given code? counter = 100 while counter > 0 puts counter counter/=5 end
Correct Answer is : 100 20 4
16. What is the output of the given code? counter = 100 while counter > 0 puts counter counter-=25 end
Correct Answer is : 100 75 50 25
17. What is the output of the given code? counter = -50 while counter <0 puts counter counter+=10 end
Correct Answer is : -50 -40 -30 -20 -10
18. The given two expression means the same. counter=counter+1 and counter++
Correct Answer is : TRUE
19. What is the output of the given code? a = 22.5 while a >11.5 puts a a-=3.5 end
Correct Answer is : 22.5 11.5
20. What is the output of the given code? a = 5 b=10 while a <10 && b<20 puts a+b a+=2 b+=2 end
Correct Answer is : 15 19 23
