Question:medium

The first and last term of a G.P. are 7 and 448 respectively. If the sum is 889, then the common ratio is

Show Hint

If $ar^{n-1}$ is a perfect power, try simple integer values of $r$ like 2 or 3.
Updated On: Apr 24, 2026
  • $4$
  • $2$
  • $\frac{1}{2}$
  • $\frac{1}{4}$
  • $3$
Show Solution

The Correct Option is B

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