PRC-2 · Chapter 3 · Question 39 of 45
What is the common ratio (r) of the GP: 100, 50, 25...?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 0.5
Explanation
Ratio = 2nd term / 1st term. 50 / 100 = 0.5 (or 1/2).
More Mathematical Progression MCQs
- Q41In the GP formula for the sum of 'n' terms, if r > 1, the formula used is:
- Q42What is the sum of the first 5 terms of the GP: 3, 6, 12...?
- Q43The 'Arithmetic Mean' (AM) between two numbers 'x' and 'y' is defined as:
- Q44The 'Geometric Mean' (GM) between two positive numbers 'x' and 'y' is defined as:
- Q45If you add 4 to each term of an AP, the new sequence will: