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The ratio between the 4^(th) term and 8^...

The ratio between the `4^(th)` term and `8^(th)` term of an arithmetic
sequence is `5: 11`. `" "10^(th)` term of this sequence is 56
i) What is the common difference of this sequence?
ii) Find the `16^(th)` term.
iii) Find the sum of first 25 terms.

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V PUBLICATION-ARITHMETIC SEQUENCES-Question Bank
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