A) 110
B) 56
C) 60
D) 52
Correct Answer: A
Solution :
[a] \[{{n}_{last}}={{n}_{first}}+\left( n-1 \right)\times d\Rightarrow 3n=n+\left( 56-1 \right)\times 4\]or\[2n=55\times \Rightarrow n=110Hz\]You need to login to perform this action.
You will be redirected in
3 sec