NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Raj Aryan
Subject: Maths
, asked on 15/12/17
Question no. 10 please!
Answer
1
Raj Aryan
Subject: Maths
, asked on 15/12/17
Question no.15 please!
Answer
3
Raj Aryan
Subject: Maths
, asked on 15/12/17
Express the reccurent decimal 0.125 125 125 ... as a rational number.
Answer
1
Raj Aryan
Subject: Maths
, asked on 15/12/17
The value of xyz is 15/2 if a,x,y,z,b are inAP while x,y,z is 18/5 if a,x,y,z,b are in HP. If a and b are positive integers, then find them.
Answer
1
Raj Aryan
Subject: Maths
, asked on 15/12/17
Ques no.7 please!
Answer
1
Raj Aryan
Subject: Maths
, asked on 15/12/17
$Lettheharmonicmeanandgeometricmeanoftwopositivenumbersbeintheratio4:5.Then\phantom{\rule{0ex}{0ex}}therationumbersarerintheratio\phantom{\rule{0ex}{0ex}}\left(1\right)1:4\phantom{\rule{0ex}{0ex}}\left(2\right)1:2\phantom{\rule{0ex}{0ex}}\left(3\right)4:5\phantom{\rule{0ex}{0ex}}\left(4\right)noneofthese$
Answer
1
Raj Aryan
Subject: Maths
, asked on 11/12/17
Ques. No 13 please!
Answer
1
Raj Aryan
Subject: Maths
, asked on 11/12/17
$If{S}_{n}=\sum _{r=1}^{n}\frac{1+2+{2}^{2}+.......rterms}{{2}^{r}},then{S}_{n}isequalto\phantom{\rule{0ex}{0ex}}\left(A\right){2}^{n}-(n+1)\phantom{\rule{0ex}{0ex}}\left(B\right)n\times (n+1)/2\phantom{\rule{0ex}{0ex}}\left(C\right)({n}^{2}+3n+2)/6\phantom{\rule{0ex}{0ex}}\left(D\right)n-1+(1/{2}^{n})$
Answer
1
Aishwarya Trivedi
Subject: Maths
, asked on 7/12/17
$Pleaseanswer\phantom{\rule{0ex}{0ex}}Ifa+c\ne band\frac{1}{a}+\frac{1}{c}+\frac{1}{a-b}+\frac{1}{c-b}=0then\frac{1}{a},\frac{1}{b},\frac{1}{c}arein\phantom{\rule{0ex}{0ex}}\left(1\right)A.P.\phantom{\rule{0ex}{0ex}}\left(2\right)G.P.\phantom{\rule{0ex}{0ex}}\left(3\right)H.P.\phantom{\rule{0ex}{0ex}}\left(4\right)noneofthese$
Answer
1
Ruba Balu
Subject: Maths
, asked on 7/12/17
i didnt get the circled step. how multuplucation became subtraction plss explain
Answer
1
Ruba Balu
Subject: Maths
, asked on 6/12/17
$21.Findthesumoftheseries:\phantom{\rule{0ex}{0ex}}({3}^{3}-{2}^{3})+({5}^{3}-{4}^{3})+({7}^{3}-{6}^{3})+.......to\phantom{\rule{0ex}{0ex}}i)ntermsii)10terms$
Answer
1
Ruba Balu
Subject: Maths
, asked on 6/12/17
Q. Find the least value of n for which 1 + 3+3
^{2 }
+ ...................3
^{n-1}
> 1000.
Answer
1
Ruba Balu
Subject: Maths
, asked on 6/12/17
$15.IfoneAM\text{'}a\text{'}andtwoGM\text{'}spandqareinsertedbetweenanytwogiven\phantom{\rule{0ex}{0ex}}showthat{p}^{3}+{q}^{3}=2apq.$
Answer
3
Ruba Balu
Subject: Maths
, asked on 6/12/17
Q. Find the n terms 6 + 9+16+27 +......................
Answer
1
Kanishk Sharma
Subject: Maths
, asked on 1/12/17
Solve this:
If a, b, c are in A.P , then find value of
$\frac{a-b}{b-c}$
.
Answer
2
Prev
2
3
4
5
6
Next
What are you looking for?

^{2 }+ ...................3^{n-1}> 1000.Solve this:If a, b, c are in A.P , then find value of $\frac{a-b}{b-c}$.