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Let s_1,s_2,s_3,\ldots,s_10 respectively be the sum to 12 terms of 10 A.P.s whose first terms are 1,2,3,\ldots,10 and the common differences are 1,3,5,\ldots,19 respectively. Then ∑_i=1^10s_i is equal to: | Watch the step-by-step video solution for this NIMCET PYQ.