Try to solve and check your answer below.
It is an AP
First term is 5
Last term is 92
d=3
92=5+(n-1)*3
92=5+3n-3
92-5+3=3n
90=3n
n=30
S(30)=(5+92)* 30/2 =1455
Number series for competitive exams Can you complete the following number series?
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