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Recent questions tagged exercise9-2
Questions
The difference between any two consecutive interior angles of a polygon is $5^\circ$. If the smallest angle is $120^ \circ$, then find the number of sides of the polygon.
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
medium
q18
math
sequences-and-series
asked
Feb 24, 2014
by
rvidyagovindarajan_1
1
answer
A man starts repaying a loan as first installment of $Rs.100$. If he increases the installment by $Rs.5$ every month, what amount he will pay in his $30^{th}$ installment?
cbse
class11
ch9
bookproblem
exercise9-2
easy
sec-a
q17
math
sequences-and-series
asked
Feb 24, 2014
by
rvidyagovindarajan_1
1
answer
Between $1\:\:and\:\:31$ $m$ numbers are inserted so that the resulting sequence is an $A.P.$ and the ratio of $7^{th}\:\;and\:\:(m-1)^{th}$ numbers is $5:9$. find the value of $m$.
cbse
class11
ch9
bookproblem
exercise9-2
easy
sec-b
q16
math
sequences-and-series
asked
Feb 24, 2014
by
rvidyagovindarajan_1
1
answer
If $\large\frac{a^n+b^n}{a^{n-1}+b^{n-1}}$ is the $A.M.$ between $a$ and $b$, then find the value of $n$
cbse
class11
ch9
bookproblem
exercise9-2
medium
sec-b
q15
math
sequences-and-series
asked
Feb 24, 2014
by
rvidyagovindarajan_1
1
answer
Insert $5$ numbers between $8\:and\:26$ such that the resulting sequence is an $A.P.$
cbse
class11
ch9
bookproblem
exercise9-2
sec-a
easy
q14
math
sequences-and-series
asked
Feb 23, 2014
by
rvidyagovindarajan_1
1
answer
If the sum of $n$ terms of an $A.P.$ is $3n^2+5n$ and its $m^{th}$ term is $164$, find the value of $m$.
cbse
class11
ch9
bookproblem
exercise9-2
easy
sec-a
q13
math
sequences-and-series
asked
Feb 23, 2014
by
rvidyagovindarajan_1
1
answer
The ratio of the sums of $m\:\:and\:\:n$ terms of an $A.P.$ is $m^2:n^2$. Show that the ratio of $m^{th}\:and\:n^{th}$ term is $(2m-1):(2n-1)$
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
difficult
q12
math
sequences-and-series
asked
Feb 23, 2014
by
rvidyagovindarajan_1
1
answer
Sum of first $p,q\:\:and\:\:r\:terms$ of an $A.P.$ are $a,b\:\:and\:\:c$ respectively. Prove that $\large\frac{a}{p}$$(q-r)+\large\frac{b}{q}$$(r-p)+\large\frac{c}{r}$$(p-q)=0$
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
medium
q11
math
sequences-and-series
asked
Feb 23, 2014
by
rvidyagovindarajan_1
1
answer
If the sum of first $p$ terms of an $A.P.$ is equal to sum of first $q$ terms, then find the sum of first $p+q$ terms of the $A.P.$
cbse
class11
ch9
bookproblem
exercise9-2
easy
sec-b
q10
math
sequences-and-series
asked
Feb 23, 2014
by
rvidyagovindarajan_1
1
answer
The sum of $n$ terms of two $A.P.s$ are in the ratio $5n+4:9n+6$ Find the ratio of their $18^{th}$ terms.
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
medium
q9
math
sequences-and-series
asked
Feb 22, 2014
by
rvidyagovindarajan_1
1
answer
If the sum of $n$ terms of an $A.P.$ is $(pn+qn^2)$ where $p$ and $q$ are constants, then find the common difference $d$.
cbse
class11
ch9
bookproblem
exercise9-2
easy
sec-a
q8
math
sequences-and-series
asked
Feb 22, 2014
by
rvidyagovindarajan_1
1
answer
Find the sum of $n$ terms of an $A.P.$ whose $k^{th}$ term is $5k+1$
cbse
class11
ch9
bookproblem
exercise9-2
sec-a
easy
q7
math
sequences-and-series
asked
Feb 22, 2014
by
rvidyagovindarajan_1
1
answer
If the sum of certain number of terms of the A.P., $25,22,19................$ is $116$, then find the last term.
cbse
class11
ch9
bookproblem
exercise9-2
medium
sec-b
q6
math
sequences-and-series
asked
Feb 20, 2014
by
rvidyagovindarajan_1
1
answer
In an $A.P.$ if $p^{th}$ term is $\large\frac{1}{q}$ and $q^{th}$ term is $\large\frac{1}{p}$, then prove that the sum of first $pq$ terms is $\large\frac{1}{2}$$(pq+1)$ where $p\neq q$
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
medium
q5
math
sequences-and-series
asked
Feb 20, 2014
by
rvidyagovindarajan_1
1
answer
How many terms of the A.P. $-6,-\large\frac{11}{2}$$, -5........$ are needed to give the sum $-25$
cbse
class11
ch9
bookproblem
exercise9-2
medium
q4
sec-b
math
sequences-and-series
asked
Feb 20, 2014
by
rvidyagovindarajan_1
1
answer
In an $A.P.$ the first term is $2$ and the sum of first $5$ terms is one-fourth of the next five terms. Find its $20^{th}$ term.
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
q3
medium
math
sequences-and-series
asked
Feb 19, 2014
by
rvidyagovindarajan_1
1
answer
Find the sum of all the natural numbers lying between $100\:\: and\:\: 1000$ which are multiples of $5$
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
q2
easy
math
sequences-and-series
asked
Feb 19, 2014
by
rvidyagovindarajan_1
1
answer
Find the sum of odd integers from $1 $ to $2001$
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
easy
q1
math
sequences-and-series
asked
Feb 18, 2014
by
rvidyagovindarajan_1
1
answer
Construct the truth tables for the following statement: (p ∧ q) ∨ r
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q10
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: (p ∨ q) ∨ r
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q9
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: (p ∧ q) ∨ (∼ q)
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q8
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: (p ∧ q) ∨ [∼ (p ∧ q)]
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q7
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: ∼ (p ∨ (∼ q))
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q6
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: (p ∧ q) ∨ (∼ q)
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q5
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: (p ∨ q) ∨ (∼ p)
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q4
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: ∼ (p ∨ q)
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q3
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement: (∼ p) ∧ (∼ q)
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q2
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
Construct the truth tables for the following statement :p ∨ (∼ q)
tnstate
class12
bookproblem
ch9
sec1
exercise9-2
p164
q1
asked
Nov 27, 2012
by
balaji.thirumalai
0
answers
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