Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged sequences and series
+1
vote
1
answer
Angles of a quadilateral are (4x) ,5(x+2) ,(7x-20) and 6(x+3). Find the value of x and each angle of quadrilateral
asked
Apr 7, 2019
in
Class 9
by
kratos
quadrilateral
algebra
class-8
class-6
class-9
areas of parallelograms
icse
sequences and series
+1
vote
1
answer
If the sum of three numbers in A.P.be 24 and their product is 440. Find the numbers.
asked
Apr 6, 2019
in
Class 11
by
kratos
arithmetic progressions
class-11
arithmetic progression
class-10
sequences and series
+1
vote
1
answer
Let a,b be positive real numbers. lf a, A1, A2, b are in arithmetic progression,
asked
Apr 5, 2019
in
JEE
by
kratos
jee advanced 2020
jee
harmonic progression
class-10
jee mains
sequences and series
+3
votes
1
answer
At the end of each year the value of a certain machine has depreciated by 20% of its value at the
asked
Apr 5, 2019
in
Class 12
by
kratos
class-8
class-11
comparing quantities
class-12
sequences and series
reconstitution of a partnership firm
+3
votes
1
answer
The interior angles of a polygon are in arithmetic progression. The smallest angle is 120° and the common difference is 5°.
asked
Apr 5, 2019
in
JEE
by
kratos
class-11
jee
class-10
airthmetic progressions
jee mains
binomial theorem
sequences and series
+2
votes
1
answer
If a, a1 , a2 , a3 , ..........,a2n, b are in AP and a, g1 , g2 , g3 , .....................g2n,
asked
Apr 4, 2019
in
JEE
by
kratos
jee
harmonic progression
class-10
jee mains
sequences and series
+2
votes
1
answer
If x is positive, the first negative term in the expansion of (1 + x)^27/5 is
asked
Apr 4, 2019
in
JEE
by
kratos
binomial theorem
class-11
jee mains
jee
sequences and series
+1
vote
1
answer
Let Sn = 1/1^3 + (1+2/1^3+2^3)+......+(1+2+....+n/1^3+2^3+.....+
asked
Apr 3, 2019
in
JEE
by
kratos
jee main 2020
arithmetic progression
jee
class-10
jee mains
sequences and series
+1
vote
1
answer
In the expansion of (1+x)^n the coefficient of p^th and (p+1)^th terms are respectively p and q. The p + q =
asked
Apr 3, 2019
in
JEE
by
kratos
class-11
jee
class-10
jee mains
binomial theorem
sequences and series
bitsat
+3
votes
1
answer
1. The common difference of the progression A1, A3, A5, …, Am-1 is
asked
Apr 3, 2019
in
JEE
by
kratos
jee
class-10
jee mains
binomial theorem
class-12
sequences and series
+2
votes
1
answer
If x = Σa^n for n are 0 to infinity, y = Σb^n for n are 0 to infinity, z = Σc^n for n are 0 to infinity
asked
Apr 3, 2019
in
JEE
by
kratos
class-11
jee
class-10
jee mains
sequences and series
+3
votes
1
answer
Find the coefficient of x^5 in (x + 3)^8
asked
Apr 3, 2019
in
Class 11
by
kratos
binomial theorem
class-10
class-11
sequences and series
+1
vote
1
answer
Write the first five terms of the sequences whose nth term is a^n = 2^n
asked
Apr 3, 2019
in
Class 11
by
kratos
binomial theorem
class-11
sequences and series
+3
votes
1
answer
If the coefficients of x^7 & x^8 in the expansion of [2+x/3]^n are equal, then the value of n is:
asked
Apr 1, 2019
in
JEE
by
kratos
class-11
jee
jee mains
binomial theorem
sequences and series
+3
votes
1
answer
Σ(Σ2^1-n) = _______
asked
Mar 31, 2019
in
JEE
by
kratos
jee
sampling techniques
jee mains
class-12
sequences and series
statistical inference
+3
votes
1
answer
If x, 2y, 3z are in A.P., where the distinct numbers x, y, z are in G.P. then the common ratio of the G.P. is
asked
Mar 31, 2019
in
JEE
by
kratos
jee
class-11
sequences and series
jee mains
+1
vote
1
answer
1^3/1 + 1^3+2^3/2 + 1^2+2^3+3^3/3 + ..... up to n terms = ______
asked
Mar 31, 2019
in
JEE
by
kratos
jee
sequences and series
jee mains
+2
votes
1
answer
State which of the following are polygons :
asked
Mar 31, 2019
in
Class 11
by
kratos
measurement of angles
class-8
class-11
cl
icse
sequences and series
+2
votes
1
answer
If the 4^th , 10^th and 16^th terms of a G.P.are x, y and z respectively. Prove that x, y, z are in G.P
asked
Mar 30, 2019
in
Class 11
by
kratos
class-11
sequences and series
+2
votes
1
answer
The difference between two acute angles of a right angled triangle is to 3π/10 radi Express the angles in degrees.
asked
Mar 30, 2019
in
Class 11
by
kratos
measurement of angles
class-11
class-9
class-10
angles and their measurement
sequences and series
To see more, click for the
full list of questions
or
popular tags
.