Mathematics · Progression and Series
Let S1, S2, S3, ..., S10 respectively be the sum to 12 terms of 10 Arithmetic Progressions (A.P.s) whose first terms are 1, 2, 3, ..., 10 and whose common differences are 1, 3, 5, ..., 19 respectively. Then the value of Σi=110 Si is equal to:
- 17380
- 27220
- 37360
- 47260✓
Correct answer
7260
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