Skip to content
Philoid
Browse Saved
Back to chapter
Maths
20. Geometric Progressions
Home · Class 11 · Maths · Ref. Book · 20. Geometric Progressions
Prev
Next
Q3 of 176 Page 21

Mark the correct alternative in each of the following:

If a, b, c are in A.P. and x, y, z are in G.P., then the value of is


Given: a,b,c are in AP and x,y,z are in GP.


⇒


⇒ 2b = a+c and y2 = xz.


⇒


L.H.S = xb-c.yc-a.za-b


⇒


⇒


⇒


⇒


⇒1.1


⇒ 1.

More from this chapter

All 176 →
1

Mark the correct alternative in each of the following:

If in an infinite G.P., first term is equal to 10 times the sum of all successive terms, then its common ratio is


2

Mark the correct alternative in each of the following:

If the first term of a G.P. is unity such that is least, then the common ratio of G.P. is


4

Mark the correct alternative in each of the following:

The first three of four given numbers are in G.P. and their last three are in A.P. with common difference 6. If first and fourth numbers are equal, then the first number is


5

Mark the correct alternative in each of the following:

If a, b, c are in G.P. and , then xyz are in


Questions · 176
20. Geometric Progressions
1 2 3 3 3 3 3 3 4 5 6 6 6 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 4 4 4 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 1 1 1 1 2 3 4 5 6 7 8 8 8 8 9 10 11 12 13 1 2 3 4 5 6 7 8 8 8 8 8 9 9 9 10 10 10 11 11 11 11 12 13 14 15 16 17 18 19 20 21 22 23 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved