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 NEW PUZZLE for Sajha Intellects Day 2

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Posted on 05-30-14 9:09 AM     Reply [Subscribe]
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Lets start with an easy one.

Q. What do you always break by saying it's name?
 
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Posted on 06-02-14 10:54 AM     [Snapshot: 789]     Reply [Subscribe]
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Helpjava11 bro so mero answer mileko raicha ta asti... Point aayena ta malai lol.... I answered 679
 
Posted on 06-02-14 11:07 AM     [Snapshot: 761]     Reply [Subscribe]
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NAS bro: here is the code i wrote to find the ans...
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Test{

public static void main(String[] args) {
int persistence=1;
int total=10;
List digits = new ArrayList();



for(int i=77;i<1000;i++){
total= persistence(i);
persistence++;
// System.out.println(total);
while( total>9)
{
persistence++;
total= persistence(total);
if(persistence==5){

System.out.println("found the persistence of 5: ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;" );
}
}

System.out.println("persistent "+persistence);
// System.out.println(";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;");
System.out.println();
persistence=0;
}

}




public static int persistence(int i){
/*
* because we are using list and using modulus we will get the digits in reverse order.
* to get the digits in right order we need to insert into list again print.
*/
int multip =1;
List digits = new ArrayList();
while(i > 0) {
digits.add(i % 10);
i /= 10;
}
System.out.println(digits);

for (int j=0;j multip = multip * digits.get(j);

}
// System.out.println(multip);
return multip;
}
}
 
Posted on 06-02-14 11:08 AM     [Snapshot: 809]     Reply [Subscribe]
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dang Nas bro timi ni tyo 2058 sal ko quiz competition ma thiyou ki k ho...:D
 
Posted on 06-02-14 11:20 AM     [Snapshot: 831]     Reply [Subscribe]
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1SAJHA Bro ko answer ७७९ thyo, its 779 in english bro... 679 in nepali is ६७९ ..haha
Anyway 1SAJHA bro (+1)..
 
Posted on 06-02-14 11:32 AM     [Snapshot: 849]     Reply [Subscribe]
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I started multyplying backwards ..
 
Posted on 06-02-14 11:33 AM     [Snapshot: 849]     Reply [Subscribe]
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I never answered 779 lol in english or nepali helpjava bro
 
Posted on 06-02-14 11:42 AM     [Snapshot: 868]     Reply [Subscribe]
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oh ! nevermind that was Punter bro...
 
Posted on 06-02-14 11:43 AM     [Snapshot: 791]     Reply [Subscribe]
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9 lai ulto parera garna milcha? LOL
 
Posted on 06-02-14 11:44 AM     [Snapshot: 875]     Reply [Subscribe]
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Kiddo bro, timro question ko solution ta cha ni?
im getting infinity while solving the equations...

 
Posted on 06-02-14 12:05 PM     [Snapshot: 920]     Reply [Subscribe]
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Kiddo bro ko problem ko no solution re, http://onlinemschool.com/math/assistance/equation/gaus/ le bhanya,
Solution:

Rewrite the system in matrix form and solve it by Gaussian Elimination (Gauss-Jordan elimination)
7 5 3 26
2 1 3 5
8 6 2 44

devide the 1-th row by 7
1 5/7 3/7 26/7
2 1 3 5
8 6 2 44

from 2; 3 rows we subtract the 1-th row, multiplied respectively by 2; 8
1 5/7 3/7 26/7
0 -3/7 15/7 -17/7
0 2/7 -10/7 100/7

devide the 2-th row by -3/7
1 5/7 3/7 26/7
0 1 -5 17/3
0 2/7 -10/7 100/7

from 1; 3 rows we subtract the 2-th row, multiplied respectively by 5/7; 2/7
1 0 4 -1/3
0 1 -5 17/3
0 0 0 38/3
Answer:
The system of equations has no solution because: 0 ≠ 38/3
Last edited: 02-Jun-14 12:06 PM

 
Posted on 06-02-14 12:07 PM     [Snapshot: 926]     Reply [Subscribe]
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Solution chha bro.
f(7,5,3)=26
f(2,1,3)=5
f(8,6,2)=44
f(4,9,5)=?
 
Posted on 06-02-14 12:28 PM     [Snapshot: 956]     Reply [Subscribe]
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Maybe you can envision it better with a diagram? Perhaps:



 
Posted on 06-02-14 1:45 PM     [Snapshot: 1020]     Reply [Subscribe]
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yo question pass gardiye Kiddo bro... give the answer..
 
Posted on 06-02-14 1:47 PM     [Snapshot: 1020]     Reply [Subscribe]
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NAsie : was thinking more of 6*6-6 = 30 lol

Only u could have thought abt more then just 6 or 9 :P
 
Posted on 06-02-14 1:49 PM     [Snapshot: 1025]     Reply [Subscribe]
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i am guessing, it should be 29.

 
Posted on 06-02-14 1:51 PM     [Snapshot: 1036]     Reply [Subscribe]
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My interpretation for this was :

the highest two numbers - the square of the smallest number.

i.e, 7*5 - 3^2 = 26
3*2 - 1^2 = 5
8*6 - 2^2 = 44
9*5 - 4^2 = 29
 
Posted on 06-02-14 2:08 PM     [Snapshot: 1052]     Reply [Subscribe]
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Coolbuddy got it right. लौ HelpJava ब्रो, एक पोइन्ट मेरो तर्फ बाट Coolbuddy को नाउमा पाउँ.
 
Posted on 06-02-14 2:28 PM     [Snapshot: 1089]     Reply [Subscribe]
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लौ यस्तो सजिलो problem रहिछ . के के न 4 way equation solve गर्दै बसिरा म पनि . दिमाग खराब ..
ल coolbuddy (+1) .

अरु प्रोब्लेम हरु छ भने post गरौ है सथिहो . मा संग त कुनै छैन आइले.
 
Posted on 06-02-14 2:31 PM     [Snapshot: 1097]     Reply [Subscribe]
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This is an old question but it can still be fun for those who haven't heard it or solved it. If you know the answer please give a like :) If you are seeing for the first time then please give your reasoning :)

Three people check into a hotel.

They pay $30 to the manager and go to their room.

The manager suddenly remembers that the room rate is $25 and gives $5 to the bellboy to return to the people.

On the way to the room the bellboy reasons that $5 would be difficult to share among three people so he pockets $2 and gives $1 to each person.

Now each person paid $10 and got back $1.

So they paid $9 each, totalling $27. The bellboy has $2, totalling $29.

Where is the missing $1?
Last edited: 02-Jun-14 02:34 PM

 
Posted on 06-02-14 3:25 PM     [Snapshot: 1151]     Reply [Subscribe]
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the 2 dollar paid to the kid is already included in the $27 so we cannot add it again. so 27+3 = 30..
Good question though..
 



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