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Recent questions tagged sum-of-n-terms-of-special-series
Questions
Let $S_{1}, S_{2}$....be the squares such that for each $n\geq\;1$, the length of side of $S_{n}$ = length of diagonal of $S_{n+1}$. If side of $S_{1}$ is 20 cm, the smallest value of n such that area of $S_{n}\;<\;2$ is
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q100
asked
Jan 20, 2014
by
yamini.v
1
answer
If $(1+3+5+....+p)$+$(1+3+5+....+q)$ = the smallest value of $p+q+r, (p>6)$ is
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q98
asked
Jan 20, 2014
by
yamini.v
1
answer
Sum of series $S$ = $\frac{1}{2}$+$\frac{1}{3}\;(1+2)$+$\frac{1}{4}\;(1+2+3)$+$\frac{1}{5}\;(1+2+3+4)$+......upto 20 terms is
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q97
asked
Jan 20, 2014
by
yamini.v
1
answer
Sum of series $1^2$-$2^2$+$3^2$-$4^2$+$5^2$+.....+$1001^2$ is
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q96
asked
Jan 20, 2014
by
yamini.v
1
answer
The sum of 0.2, 0.22, 0.222, 0.2222.....till n terms is given by
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q93
asked
Jan 18, 2014
by
yamini.v
2
answers
The sum of n terms of two APs is in the ratio$\; 5n + 1: 4n+10$. Find the ratio of their $\;5^{th}$ terms.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q90
asked
Jan 18, 2014
by
yamini.v
1
answer
The $n^{th}$ term of series is $\frac{1}{1}$, $\frac{(1+2)}{2}$, $\frac{(1+2+3)}{3}$......is
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q85
asked
Jan 17, 2014
by
yamini.v
1
answer
Sum of squares of first n natural numbers exceeds their sum by 330, then n =
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q84
asked
Jan 17, 2014
by
yamini.v
1
answer
The sum of n terms of the infinite series $1.3^2$+$2.5^2$+$3.7^2$+-------$\infty$ is given by
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q81
asked
Jan 17, 2014
by
yamini.v
1
answer
Ram shares a photo link on facebook with 3 persons and requests each of them to share with 3 more persons and continue the chain. For every share of the photo link if Rs 100 is donated to the Adyar Cancer society, what is the total amount collected by the society till the $b^{th}$ set of shares.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q80
asked
Jan 6, 2014
by
yamini.v
1
answer
Find the sum of the series upto 20 term 1+(1+2)+(1+2+3)+--------
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q77
asked
Jan 6, 2014
by
yamini.v
1
answer
Find the sum of 8 terms of the series whose $n^{th}$ term is given by $n^2+2^n$
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q76
asked
Jan 6, 2014
by
yamini.v
1
answer
Two cars start at a point A at the same time. The first car goes with a uniform speed of 100 Km/hr and the second car starts at 80 for the first hour and increases the speed by 10 km/hr every hour. After how much time does the second car overtake the first car, assuming these are no stops in between.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q72
asked
Jan 6, 2014
by
yamini.v
1
answer
Given an AP, if the sum of first 5 terms is 175 and the sum of first 10 terms is 700, find the sum of the first 7 terms.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q71
asked
Jan 6, 2014
by
yamini.v
1
answer
Find the sum of all natural numbers between 45 and 300 that are exactly divisible by 7.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q70
asked
Jan 5, 2014
by
yamini.v
1
answer
How many 3 digit numbers leave a remainder of 2 when divided by 7 ?
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q69
asked
Jan 5, 2014
by
yamini.v
1
answer
How many 3 digit numbers are divisible by 5?
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q68
asked
Jan 5, 2014
by
yamini.v
1
answer
How many two digit numbers are divisible by 4?
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q67
asked
Jan 5, 2014
by
yamini.v
1
answer
Which term of the sequence 130,126,122----- is the first negative term.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q66
asked
Jan 5, 2014
by
yamini.v
1
answer
Find the value of $n$ such that the $n^{th}$ term of the sequences 27,24,21------- and 2,4,6----- are equal.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q65
asked
Jan 5, 2014
by
yamini.v
1
answer
Insert k arithmetic means between 1 and $k^2$ . what is the resulting series?
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q59
asked
Jan 3, 2014
by
yamini.v
1
answer
In the series 2,10,50 ------ the number of terms required to make a sum of 7812 is
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q58
asked
Jan 3, 2014
by
yamini.v
1
answer
Which term of the series $\frac{16}{9}$, $\frac{4}{3}$, $1$, $\frac{3}{4}$------is $\frac{243}{1024}$
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q57
asked
Jan 3, 2014
by
yamini.v
1
answer
Find the sum of the series 1.4 + 2.5 + 3.6----- upto 20 terms.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q53
asked
Jan 3, 2014
by
yamini.v
1
answer
Find the sum of the series $3^2$ + $5^2$ + $7^2$ +-----upto 10 terms
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q52
asked
Jan 3, 2014
by
yamini.v
1
answer
The sum of three numbers in GP is 26. If 2,2,-6 are added to them respectively they form as.n AP . Find the number
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q50
asked
Jan 3, 2014
by
yamini.v
1
answer
Find the sum of n terms of the series 2.4 + 5.6 + 8.8 + 11.10 +---------
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q48
asked
Jan 3, 2014
by
yamini.v
1
answer
Find the sum of n terms of the series 1.5+3.8+5.11+---------------n
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q47
asked
Jan 3, 2014
by
yamini.v
1
answer
Find the sum of n terms of the series 2.4+5.7+8.10+------------
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q46
asked
Jan 3, 2014
by
yamini.v
1
answer
Find the sum of first 25 terms of the sequence 5,5.5,5.55,5.555-----------
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q40
asked
Jan 2, 2014
by
yamini.v
0
answers
Find n where 1536 is the nth term of the series 3,6,12---------------
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q20
asked
Jan 1, 2014
by
yamini.v
1
answer
Find the sum of series 4 + 44 + 444 + 4444 +------upto n terms.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q15
asked
Dec 31, 2013
by
yamini.v
1
answer
If 4 positive numbers a, b, c and d are in HP, which of the following is true.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q12
asked
Dec 31, 2013
by
yamini.v
1
answer
Given that $\frac{S_{1}}{S_{2}}=\frac{3n+8}{7n+5}$, $\frac{S_{1}}{S_{2}}$ is the ratio of sum of two APs to n terms, find the ratio of the 11<sup>th</sup> terms of the two APs.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q11
asked
Dec 31, 2013
by
yamini.v
1
answer
Find the sum of the series -1 + 4 - 9 + 16 - 25 +-----+ 4008004.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q10
asked
Dec 31, 2013
by
yamini.v
1
answer
Find the sum of the series $1^2$ - $2^2$ + $3^2$ - $4^2$ + $5^2$ - $6^2$.....$1000^2$.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q9
asked
Dec 31, 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
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
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
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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