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ADP Placement Pattern - Kolkata


1. Solve a puzzle.

You can add but can not delete.
8_8_8_8_8_8_8_8_=1000

Ans:
We know 2^10 = 1024.
8*8*8*8^(1/3) = 1024.
8+8+8*8^0 = 24.
So,
8*8*8*8^(1/3)-8-8-8*8^0 = 1000.

2. Write a C program to store pure water into a tank ...water source is not fully pure.
You can use only one water purifier but it can purify 90%of input water.

Ans:

water store (water src)
{
container L1,L2;
while(src)
    {
      L1=src;
      empty(src);
      L2=purifier(L1);
      empty(L1);
      if(L2 is 99% pure)
               return L2;
      else
                {
                  src=L2;
                  empty(L2);
                 }
     }
}

3. Anomalies. 
4. Polymorphism.
5. SQL. 
etc..

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