Subject :NSO Class : Class 8
Which of the following shows a pleasant sound?
A 
B 
C 
D 
Ans 1:
Class : Class 8
Ans 2:
Class : Class 5
B and D can also constitute a pleasant sound as they are also similar to A.
Ans 3:
Class : Class 9
Ans 4:
Class : Class 5
Ans 5:
Class : Class 5
Also, B and D can be more musical than A because they change frequently, constituting a pleasant sound, whereas A is a single monotone.