Ruby Interview Questions - 6

1. What is the output of the given code? boolean_1 = 77<78 puts(boolean_1)

A. Nil

B. TRUE

C. FALSE

D. Error

Correct Answer is : TRUE

2. Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

A. Bignum

B. Octal

C. Fixnum

D. Binary

Correct Answer is : Fixnum

3. What does the notataion \b stands for?

A. Escape

B. Space

C. Backspace

D. Newline

Correct Answer is : Backspace

4. What is the sequence of ruby strings?

A. 16-bit bytes

B. 8-bit bytes

C. 10-bit bytes

D. None of the mentioned

Correct Answer is : 8-bit bytes

5. What is the output of the given code? my_string=Ruby puts(my_string)

A. Ruby

B. Nil

C. Error

D. None of the mentioned

Correct Answer is : Error

6. Which of the following is not a valid datatype?

A. Float

B. Integer

C. Binary

D. Timedate

Correct Answer is : Timedate

7. What is the range of octal notation (\nnn)?

A. 0-8

B. 0-7

C. 0-A

D. None of the mentioned

Correct Answer is : 0-7

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

A. 1 2 3 4 5

B. 1 2 3 4

C. 2 3 4 5

D. None of the mentioned

Correct Answer is : 1 2 3 4

9. What does the 1…10 indicate?

A. Inclusive range

B. Exclusive range

C. Both inclusive and exclusive range

D. None of the mentioned

Correct Answer is : Exclusive range

10. What is the output of the given code? for num in 1..3 puts num for i in 1..2 puts num*i end end

A. 1 2 3 4 5

B. 1 1 2 2 2 4 3 3 6

C. 2 3 4 5

D. None of the mentioned

Correct Answer is : 1 1 2 2 2 4 3 3 6

11. What is the output of the given code? m= 0 loop do m += 1 print m break if m == 10 end

A. 12345678910

B. 1 2 3 4

C. 2 3 4 5

D. None of the mentioned

Correct Answer is : 12345678910

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

A. 12345678910

B. 1 2 3 4

C. 1 4 9 16 25

D. None of the mentioned

Correct Answer is : 1 4 9 16 25

13. What is the output of the given code? for num in 1..3 puts num*num m= 0 loop do m += 1 puts m break if m == 3 end end

A. 12345678910

B. 1 1 2 3 4 1 2 3 9 1 2 3

C. 1 4 9 16 25

D. None of the mentioned

Correct Answer is : 1 4 9 16 25

14. What is the output of the given code? loop do m += 1 puts m break if m == 3 end

A. Garbage values

B. 1 1 2 3 4 1 2 3 9 1 2 3

C. 1 4 9 16 25

D. None of the mentioned

Correct Answer is : Garbage values

15. What is the output of the given code? i=1 for i in 5..10 puts i^2 end

A. 7 4 5 10 11 8

B. 25 36 49 64 81 100

C. 1 4 9 16 25

D. None of the mentioned

Correct Answer is : 25 36 49 64 81 100

16. What does the 1..10 indicate?

A. Inclusive range

B. Exclusive range

C. Both inclusive and exclusive range

D. None of the mentioned

Correct Answer is : Inclusive range

17. What is the output of the given code? i=5 j=10 for i in 5..10 && j in 5..10 puts i**j end

A. Syntax error

B. 25 36 49 64 81 100

C. 1 4 9 16 25

D. None of the mentioned

Correct Answer is : Syntax error

18. The .upcase and .capitalize method are used for capitalizing the whole string.

A. TRUE

B. FALSE

C.

D.

Correct Answer is : FALSE

19. What is the use of .capitalize method?

A. It capitalizes the entire string

B. It capitalize on the first letter of the string

C. It capitalize the strings which are in small case

D. All of the mentioned

Correct Answer is : It capitalize on the first letter of the string

20. What is the role of ! at the end of the capitalize method?

A. It is the syntax for using capitalize method

B. It modifies the value stored in the variable

C. It indicates the termination of string

D. None of the mentioned

Correct Answer is : It modifies the value stored in the variable

Ruby interview questions part 6

Ruby interview questions part 6

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? boolean_1 = 77<78 puts(boolean_1)

2. Objects of which class does the integer from the range -2^30 to 2^(30-1) belong to?

3. What does the notataion \b stands for?

4. What is the sequence of ruby strings?

5. What is the output of the given code? my_string=Ruby puts(my_string)

6. Which of the following is not a valid datatype?

7. What is the range of octal notation (\nnn)?

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

9. What does the 1…10 indicate?

10. What is the output of the given code? for num in 1..3 puts num for i in 1..2 puts num*i end end

11. What is the output of the given code? m= 0 loop do m += 1 print m break if m == 10 end

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

13. What is the output of the given code? for num in 1..3 puts num*num m= 0 loop do m += 1 puts m break if m == 3 end end

14. What is the output of the given code? loop do m += 1 puts m break if m == 3 end

15. What is the output of the given code? i=1 for i in 5..10 puts i^2 end

16. What does the 1..10 indicate?

17. What is the output of the given code? i=5 j=10 for i in 5..10 && j in 5..10 puts i**j end

18. The .upcase and .capitalize method are used for capitalizing the whole string.

19. What is the use of .capitalize method?

20. What is the role of ! at the end of the capitalize method?

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