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Recent questions tagged sequences-and-series
Questions
In an AP, the sum of n terms is a function of n, $S_{n}=3n^2+2n.$ Find the rth term.
jeemain
math
class11
ch9
sequences-and-series
easy
geometric-progression
q7
asked
Dec 30, 2013
by
yamini.v
1
answer
In a series -9,-6,-3,----, find the number of terms n to get a sum $S_{n}$ = 66.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q6
asked
Dec 30, 2013
by
yamini.v
1
answer
If the 7th term of an AP is 23 and the 12th term is 38, find the first term 'a' and common difference 'd'.
jeemain
math
class11
ch9
sequences-and-series
easy
arithmetic-progression
q5
asked
Dec 30, 2013
by
yamini.v
1
answer
Find the sum of the series 1, $\frac {7}{5}$, $\frac {13}{25}$, $\frac {19}{25}$,----,$\infty$.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q4
asked
Dec 30, 2013
by
yamini.v
1
answer
Given that four positive numbers are in HP, which of the following is true.
jeemain
math
class11
ch9
sequences-and-series
easy
relationship-between-ap-and-gm
q3
asked
Dec 30, 2013
by
yamini.v
1
answer
Among 5 numbers a, b, c, d and e the relationships are: a, b, c are in AP and b, c, d are in GP and c, d, e are in HP. Find b, c, d if a = 2 and e = 18.
jeemain
math
class11
ch9
sequences-and-series
easy
relationship-between-ap-and-gm
q2
asked
Dec 30, 2013
by
yamini.v
2
answers
In a GP, the first term is $312\large\frac{1}{2}$, the common ratio is $\large\frac{1}{2}$. Find the sum of the series to $\infty$ terms.
jeemain
math
class11
ch9
sequences-and-series
easy
geometric-progression
q1
asked
Dec 30, 2013
by
yamini.v
1
answer
In a GP, given that the first term is $ 312 ½ $ and the common ratio is $ 1/2 $ find the sum of the terms of the series to infinity.
jeemain
math
class11
unit7
sequences-and-series
medium
asked
Nov 28, 2013
by
harini.tutor
1
answer
Find the least number of terms for the series 16, 24, 36,.... such that the sum of all terms of the series exceeds 2000
jeemain
math
class11
unit7
sequences-and-series
difficult
asked
Nov 19, 2013
by
harini.tutor
1
answer
Find the sum of the following series $1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \frac{1}{16} + \cdots + \infty $
jeemain
math
class11
unit7
sequences-and-series
easy
asked
Nov 19, 2013
by
harini.tutor
1
answer
Given that the fourth and eighth term of a GP are 5 and 80, find the 12th term.
jeemain
math
class11
unit7
sequences-and-series
medium
asked
Nov 19, 2013
by
harini.tutor
1
answer
The sum of an AP is 1815. If the first and last terms are -12 and 133 respectively, find the number of terms in the AP
jeemain
math
class11
unit7
sequences-and-series
medium
asked
Nov 19, 2013
by
harini.tutor
1
answer
Find the sum of the GP $ 1, 2, 4, 8, 16, 64 .... $ upto n terms
jeemain
math
class11
ch9
sequences-and-series
geometric-progression
easy
asked
Nov 19, 2013
by
harini.tutor
1
answer
Find the sum of even numbers between 50 and 100
jeemain
math
class11
ch9
sequences-and-series
sum-of-n-terms-of-special-series
medium
asked
Nov 19, 2013
by
harini.tutor
1
answer
What is the sum of all odd natural numbers till 200 ?
jeemain
math
class11
ch9
sequences-and-series
arithmetic-progression
medium
asked
Nov 19, 2013
by
harini.tutor
1
answer
Find the 10th term of the AP -3, -1, 1, 3, ....
jeemain
math
class11
sequences-and-series
ch9
arithmetic-progression
easy
asked
Nov 19, 2013
by
harini.tutor
1
answer
Find the sum of the following series : $ 1^{2} + 2^{2} + 3^{2} + 4^{2} + .... + 20^{2}$
jeemain
math
class11
sequences-and-series
unit9
sum-of-n-terms-of-special-series
easy
asked
Nov 19, 2013
by
harini.tutor
1
answer
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