Placement Papers - Patni

This is the latest PATNI Paper (campus     recruitment)
 
     Basically there is a
     1.apti(general+tech)
     2.gd
     3.pschyometric test
     4.interview(tech+personal)
     
     the apti consist of 20 questions time 50 min
1.a school has 4 maths 3 physics and 3 chemistry teachers each teacher can teach 2 subjects max what is he minimum number of teachers required

2.there is a weight question comparing peoples weight
     ans. meera (choice d)

 3.one simple maths sum
     ans. 3/2

 4.a man walks at 8km/hr train crosses him at some speed..
     ans.44

 5.there is a circle of radius 5.what is the area of the biggest rectangle that can be cut out of this circle

 6.in a chess board 2 squares are cut out leaving 61 squares if we place blocks each of length=lengthof 2 squares and width=width of 1 square how many blocks will be necessary

 7.how many minimum number of weigh are required to weigh 1-40kg using a     weighing pan

 8.CPU execution order(arrange the given steps in order ie steps involved in the execution of a statement by cpu

 9.radius =3 of a sphere it is melted to form a cube.what is the ratio of the cube of the volume of the sphere to the cube of the volume of the cube

 10.venn diagram
     ans . none of the above

 11 there are four consonants 3 vowels how many 6 letter strings can u form with atleast one vowels in each

 12. binary rep of .6875    

 13.scanf(..)..not sure
     ans :all the above

 14.if(I<j,j>k,k=2)..
     ans 2

 16 "-this is a line"
     Ans 11

 17.palindrome..checking

 18.while loop
     ans 011122

 19 if(
     i=2
     return
     else i=5
..return(i)
..
..
      ans 5
     20 array [5][10]
     *(*(array+2)+3) represents what?
     Ans represents content of [2][3]