The sum of the first four terms of an A.P. is 56 and the sum of the first eight terms of the same A.P. is 176. Find the sum of the first 16 terms of the A.P.?
The sum of the first four terms of an A.P. is 56 and the sum of the first eight terms of the same A.P. is 176. Find the sum of the first 16 terms of t
The sum of the first four terms of an A.P. is 56 and the sum of the first eight terms of the same A.P. is 176. Find the sum of the first 16 terms of the A.P.?
A. 646
B. 640
C. 608
D. 536
The correct answer is option C. 608. Can you explain this answer in the comments?
This is Ashutosh Nautiyal. Currently, I'm pursuing my graduation from Bipin Tripathi Kumaon Institute Of Technology, Dwarahat, Almora and my branch is Civil Engineering. I have done my schooling at Omkarananda Saraswati Nilayam, Rishikesh.
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