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$$ {1\over{2×5}}+{1\over {5×8}}+{1\over {8 × 11}}+......{1\over {23 × 26}}=?$$ का मान होगा
5Q:
$$ {1\over{2×5}}+{1\over {5×8}}+{1\over {8 × 11}}+......{1\over {23 × 26}}=?$$ का मान होगा
- 1$$ {1\over 11}$$false
- 2$$ {3\over 11}$$false
- 3$$ {2\over 13}$$true
- 4$$ {4\over 11}$$false
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