What is the possible level from the following for the minor lobe when the main beam level is at 50db and SLL at 10 db according to Chebyshev?

What is the possible level from the following for the minor lobe when

1.	What is the possible level from the following for the minor lobe when the main beam level is at 50db and SLL at 10 db according to Chebyshev?
A.	40dB
B.	45dB
C.	50dB
D.	80dB
Answer» B. 45dB