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NAVNEET PUBLICATION - MAHARASHTRA BOARD-ARITHMETIC PROGESSION -PRACTICE SET 3.4
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- If for an A.P.,d=5, then t(18)-t(13)=….
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- The sum of the first ten terms of the A.P.15,10,5,….is……
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- The sum of an A.P. is 1 and the nth term is 20. If S(n)=399, then n=…....
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- The 4th term from the end of an AP -11, -8, -5, …, 49 is
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