shubhamsrg
 Name:
 shubham raj
 School:
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 B.E. Ist year student, pursuing CSE
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Questions Asked

shubhamsrg:
How do I calculate the height of water level from the ground kept in a cylinder kept at some angle theta from the ground?
Given that heig…
 updated one month ago
 12 replies
 1 Medal
Mathematics

shubhamsrg:
I am trying to generate this pattern on 'c' or 'c++' but I am unable to grasp the logic. Any advice?
1,11,21,1211,111221,312211,......
…
 updated 4 months ago
 23 replies
 3 Medals
Mathematics

shubhamsrg:
probability question:
this question is based on a famous card magic trick in which the probability of any 2 cards(king and ace ; seven and …
 updated 6 months ago
 20 replies
 No Medals Yet
Mathematics

shubhamsrg:
Arrange 8 pieces on an 8x8 board such that no two pieces are on the same horizontal line, vertical line or diagonal line.
I have found few…
 updated 8 months ago
 10 replies
 2 Medals
Mathematics

shubhamsrg:
1000 people are standing in a circle, each has a name , 1,2,.. to 1000. 2 is on the right of 1, 3 on the right of 2 .. and so on, and finall…
 updated 9 months ago
 55 replies
 4 Medals
Mathematics

shubhamsrg:
Can anyone explain to me graph of
sin^1 (sinx)
from x = 0 to 5pi/2 ?
 updated 9 months ago
 20 replies
 4 Medals
Mathematics

shubhamsrg:
why isn't 11 called ontyone ?
 updated 9 months ago
 10 replies
 3 Medals
Mathematics

shubhamsrg:
Answer revealed at the end
FUN question :…
 updated 9 months ago
 36 replies
 9 Medals
Mathematics

shubhamsrg:
p(x) is a polynomial with real coefficients such that for some positive real numbers c,d and for all natural numbers n, we have
c n^3 <…
 updated 11 months ago
 7 replies
 1 Medal
Mathematics

shubhamsrg:
how do i prove
n^4 + 4^n is never prime for n>1
 updated 11 months ago
 25 replies
 3 Medals
Mathematics

shubhamsrg:
0< a,b,c <1
if a+b+c=2
…
 updated 11 months ago
 6 replies
 1 Medal
Mathematics

shubhamsrg:
limit question :
lim n>inf ( (a1)^n + (a2)^n + ... (ar)^n )^(1/n)…
 updated 11 months ago
 27 replies
 3 Medals
Mathematics

shubhamsrg:
x,y,z are non zero real numbers. a,b,c are complex numbers such that a = b = c =1 .
If x+y+z = 0 = ax + by + cz , how do I prove a=b=…
 updated 11 months ago
 4 replies
 1 Medal
Mathematics

shubhamsrg:
A man standing at a point P on a flat plane starts walking. At each step, he walks exactly 1 foot in one of the directions N,S,E or W. Suppo…
 updated 11 months ago
 55 replies
 8 Medals
Mathematics

shubhamsrg:
finding 100th digit after the decimal place of
( 2 + sqrt5)^500
…
 updated 11 months ago
 18 replies
 No Medals Yet
Mathematics

shubhamsrg:
prove that :
C(2n,n) / 4^n <= 1/sqrt(3n +1)
 updated 11 months ago
 36 replies
 1 Medal
Mathematics

shubhamsrg:
What is the maximum area of a rectangle that can be inscribed in a triangle of area S ?
 updated 11 months ago
 15 replies
 1 Medal
Mathematics

shubhamsrg:
summation (1 /(n^3 n) )
from n=2 to infinity
 updated one year ago
 20 replies
 3 Medals
Mathematics

shubhamsrg:
Answer has been revealed right at the bottom of the page.
Sill in cases you'd want to try it, do not scroll down, simply message me the answ…
 updated one year ago
 101 replies
 9 Medals
Mathematics

shubhamsrg:
Why don't we have "polls" in openstudy ?
Won't it be interesting, shouldn't we have one ?
 updated one year ago
 5 replies
 2 Medals
Mathematics

shubhamsrg:
Who is the most irritating person on OS ?
1) @goformit100 …
 updated one year ago
 29 replies
 8 Medals
Mathematics

shubhamsrg:
We are given areas of [MPB] , [NPC] and [PBC], then how to find area of triangle [ABC] ?
 updated one year ago
 39 replies
 3 Medals
Mathematics

shubhamsrg:
I probably have the correct number of favorable outcomes for this, but can anyone tell me what should be the sample space ?
 updated one year ago
 38 replies
 3 Medals
Mathematics

shubhamsrg:
Please have a look at this geometry question. In the mean time, I am posting my attempt.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

shubhamsrg:
How are your boards going ?
 updated one year ago
 6 replies
 2 Medals
Mathematics

shubhamsrg:
Time pass ques:
Use 5 zeroes with any mathematical functions to arrive at 14.…
 updated one year ago
 18 replies
 2 Medals
Mathematics

shubhamsrg:
Time pass ques:
1 _ 2 _ 3 _ 4 _ 5 _ 6 _ 7 _ 8 _ 9 = 100…
 updated one year ago
 14 replies
 2 Medals
Mathematics

shubhamsrg:
Time pass ques:
1) Use only 5 zeroes with any mathematical operations so as to arrive at 120.
2) Use only 4 zeroes with any mathematical op…
 updated one year ago
 16 replies
 2 Medals
Mathematics

shubhamsrg:
FUN QUESTION:
10 cookies are kept in a jar. You have to distribute it to 10 children such that each gets a cookie.…
 updated one year ago
 19 replies
 4 Medals
Mathematics

shubhamsrg:
How many solutions are there for
(1/a) + (1/b) + (1/c) + (1/d) = 1
such that
…
 updated one year ago
 98 replies
 4 Medals
Mathematics
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