Subjects algebra

Letter Pairs 81Ba1F

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1. **Problem Statement:** Find the number of pairs of letters in the word "STREAMING" that have the same number of letters between them as in the English alphabetical series, considering both forward and backward directions. 2. **Understanding the problem:** We need to check pairs of letters in "STREAMING" and see if the count of letters between them in the word matches the count of letters between them in the English alphabet. 3. **Step-by-step approach:** - Write down the word with indices: S(1) T(2) R(3) E(4) A(5) M(6) I(7) N(8) G(9) - For each pair (i,j) with i