Arithmetic and Geometric Progressions

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What is the formula for infinite terms of a GP?

Sum of infinite terms

    Sum of infinite terms of a GP is 12. If the first term is 8, what is the 4th term of this GP?








 

  • Correct Answer
    Choice A.

Detailed Solution

Given :






Now


Correct Answer:



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More questions from Progressions

  1. Counting and Progressions
  2. Common Ratio
  3. Common Difference
  4. Sum up to 'n' Terms
  5. AP Puzzle
  6. GP Logical Puzzle
With some simple but very powerful ideas, one can cut down on a lot of working when it comes to progressions. For example, anchoring a progression around its middle term can be very useful. Reinforce these ideas with these questions.