Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Sequences and Series question

2014 · Shift 0 · Q39
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Sequences and Series
  5. /2014 · Shift 0 · Q39

Sequences and Series question

2014 · Shift 0 · Q39

JEE MainMathematicsSequences and SeriesMCQ+4 / −1
Three positive numbers form an increasing G.P. If the middle term in this G.P. is doubled, the new numbers are in A.P. then the common ratio of the G.P. is :
  1. A
    2−32 - \sqrt 32−3​
  2. B
    2+32 + \sqrt 32+3​
  3. C
    2+3\sqrt 2 + \sqrt 32​+3​
  4. D
    3+23 + \sqrt 23+2​
PreviousNext

More from Sequences and Series

  • A man saves ₹ 200 in each of the first three months of his service. In each of the subsequent months his saving increases by ₹ 40 more than the saving of immediately previous month. His total saving from the start of service will be ₹…2011 · MCQ
  • A person is to count 4500 currency notes. Let an​ denote the number of notes he counts in the nth minute. If a1​=a2​= ....=a10​= 150 and a10​, a11​,.... are in an AP with common difference - 2, then the…2010 · MCQ
  • The first two terms of a geometric progression add up to 12. the sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is2008 · MCQ
  • In a geometric progression consisting of positive terms, each term equals the sum of the next two terns. Then the common ratio of its progression is equals2007 · MCQ
  • If a1​,a2​,....an​ are in H.P., then the expression a1​a2​+a2​a3​+....+an−1​an​ is equal to2006 · MCQ
  • Let a1​, a2​, a3​.....be terms on A.P. If a1​+a2​+.....aq​a1​+a2​+.....ap​​=q2p2​,peq,thena21​a6​​ equals2006 · MCQ
  • If x=n=0∑∞​an,y=n=0∑∞​bn,z=n=0∑∞​cn, where a, b, c are in A.P and ∣a∣<1,∣b∣<1,∣c∣<1…2005 · MCQ
  • Let Tr​ be the rth term of an A.P. whose first term is a and common difference is d. If for some positive integers m, n, men,Tm​=n1​andTn​=m1​, then a - d equals2004 · MCQ