HAL Placement Papers Interview Questions

I need the Hindustan Aeronautics Limited Placement Papers Interview Questions so please can you give me the questions and provide me the page where I can download the Questions?

[Saksham]

The attachment given below contains HAL Placement Papers Interview Questions. These questions have been taken from the attachment given below:

1. partial differntiation of x^3*y^3/(x+y)^3
2. some points like (0,2,4), (2,5,-1) and (6,2,0) were given and were asked to find whether it is parabola, eclipse, carboid or
cycloid.
3. there were so mant conversion questions like binary to decimal, decimal to binary, decimal to oct, binary mulitiplicationsetc.
4. some Laplace formula related to sine and cosine terms.
5. fouries series of quarter symmetry
6. by applying rouths Hurwitz criterion we were suppose to find the number of roots the equation was something like
2s^4+s^3+4s^2+s i think so

For complete question papers kindly download the attachment given here…..