What is the sum of the first 28 terms in the following sequence 1 1 2 1 3 2 1 4 3 2 1 5 4 3 2 hellip...........

Math and Mental Ability Number System

What is the sum of the first 28 terms in the following sequence 1,1,2,1,3,2,1,4,3,2,1,5,4,3,2,….?

This questions was previously asked in

UPSC CSAT, Previous year (2024)

1,1,2,1,3,2,1,4,3,2,1,5,4,3,2,1,6,5,4,3,2,1, 7,6,5,4,3,2
1 + 3 + 6 + 10 + 15 + 21+ 28 = 80

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