PDF chapter test TRY NOW

Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up,

a) S1,S2 and S4 only
b) S1, S3 and S5 only
c) S2, S3 and S4 only
d) S2, S3 and S5 only
 
YCIND_220526_3836_2.png
 
From the above diagram, it is very clear that
 
Switches \(-\)