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8. | 51+ 52 + 53 + ... + 100) = ? | |
A. | 2525 | |
B. | 2975 | |
C. | 3225 | |
D. | 3775 | |
Answer: Option D | |||||||||
Explanation: | |||||||||
This is an A.P. in which a = 51, l = 100 and n = 50.
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