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krazykunal1410

@krazykunal1410

  • Kunal Gandhi
  • 124 karma
I to Myself: "On my command..UNLEASH HELL."
balarmaulik
Maulik Balar @balarmaulik
There are N questions in an exam. For i=1,2,3....,N, there are 2^(N-i) students who answered i or more questions wrongly. The total number of wrong answers is 8191. Find N. *{Approach please}*
krazykunal1410
Kunal Gandhi @krazykunal1410

@BlackReaper9 wrong question kese calculate kiye..maine to hit nd trial kiya tha

Nipun008
NIPUN SARIN @Nipun008
how many traingles can be formed if all sides have length in natural numbers and perimeter is 24?? guys I need a shortcut for these type of questions..
kartikay.sood
Kartikey Sood @kartikay.sood
2x + 9yx,y are non-negative integers Number of solutions? 256 257 125 128
krazykunal1410
Kunal Gandhi @krazykunal1410

@sagarcat Bhai n+s-1Cs-1 wala formula nai lagega..?

kartikay.sood
Kartikey Sood @kartikay.sood
2x + 9yx,y are non-negative integers Number of solutions? 256 257 125 128
krazykunal1410
Kunal Gandhi @krazykunal1410

yaar yaha pe formulae kaunsa lag raha hain..?

Nipun008
NIPUN SARIN @Nipun008
how many traingles can be formed if all sides have length in natural numbers and perimeter is 24?? guys I need a shortcut for these type of questions..
krazykunal1410
Kunal Gandhi @krazykunal1410

@scrabbler sir, how did u calculate highest side.and lowest possible side.?

shashanksaran06
Shashank Saran @shashanksaran06
Along a road lie an odd number of stones placed at intervals of 10m. These stones have to be assembled around the middle stone. A person can carry only one stone at a time. A man carried out the job starting with the stone in the middle, carrying stones in succession, thereby covering a distance ...
krazykunal1410
Kunal Gandhi @krazykunal1410

Yeah its 31 only..middle stone will be 16th..then covering 15stones will take 2400 m..starting from last stone..and then repeating the same process will add upto 4800m.

hirav2191
Pecadillo _HR @hirav2191
There are three solutions of an acid − A, B and C − of different concentrations and volumes. The concentration of A in percentage points is an integer, that of B is 5 percentage points greater than that of A, while that of C lies between 60 and 80. If A and B are mixed, the resultant concentrati...
krazykunal1410
Kunal Gandhi @krazykunal1410

conc of A =x...then B=x+5..since the resultant conc is 25..therefore x+5>25 and x@hksparadox  said..will be 73. when x=23...for rest values will be 41,57,89..

karan.singh
Karan Singh @karan.singh
A weighing balance show 900g for 1 kg.What is the net profit if trader marks up his cost price by 20%?
krazykunal1410
Kunal Gandhi @krazykunal1410

he is selling 1kg (CP=x) at 0.9x (900gm) so on increasing the cp by 20% he will be selling 1kg (RS.x) at Rs 1.08x..hereby making a profit of 8%.

panickerdeepu
Ghost Panick @panickerdeepu
There are 5 chocolates which are to be shared by 3 persons. Find the number of ways of distributing the chocolates such that each of the persons get at least 1 chocolate.
krazykunal1410
Kunal Gandhi @krazykunal1410

  3,1,1- 5c3*2c1*3!/2!=60  and 1,2,2 -5c1*4c2*3!/2! =90 ..total=150

vasishat
a v @vasishat
Could any one please help :smiley: in solving the following problem..... :smiley: Akshay is 16th from the left end in a row of boys and Vijay is 18th from the right end. Avinash is 11th from the Akshay towards the right end and 3rd from vijay towards the right end. How many boys are there...
krazykunal1410
Kunal Gandhi @krazykunal1410

yaar..am getting 48..

Vijay will be n-18 from left and avinash will be n-21 from left.p n-21=27..n=48..where am wrong..