Common Ratio
Trending Questions
Q. The terms of a G.P. are positive. If each term is equal to the sum of two terms that follow it, then the common ratio is
- √5−12.
- 1−√52.
- 2√5
- 1
Q. If the sum of three terms of G.P. is 19 and product is 216, then the common ratio of the series is
[Roorkee 1972]
[Roorkee 1972]
- −32
- 32
- 2
- 3
Q.
If a, b, c are in G.P, then
- a(b2 + c2) = c(b2 + c2)
- a(b2 + c2) = c(a2 + b2)
- a2(b + c) = c2(a + b)
- none of these
Q. Three positive numbers form an increasing G.P. If the middle term in this G.P is doubled, then new numbers are in A.P. Then, the common ratio of the G.P. is
- √2+√3
- 3+√2
- 2−√3
- 2+√3
Q. If the 2nd, 5th and 9th terms of a non-constant AP are in GP, then the common ratio of this GP is
- 1
- 43
- 85
- 74
Q. If x, 2y, 3z are in A.P., where the distinct numbers x, y, z are in G.P. then the common ratio of the G.P. is
- 3
- 13
- 2
- 12