Philips Placement Paper -: Aptitude & Computer Knowledge Questions With Answers

Philips Previous Years Solved Sample Placement Papers

1. If A = P {1, 2} where P denotes the power set, then which one of the following is correct?

   A) {1, 2} Ì A

   B) 1 Î A

   C) φ Ï A

   D) {1, 2} Î A (Ans)

2. Let O(0, 0, 0), P(3, 4, 5), Q(m, n, r), and R(1, 1, 1) be the vertices of a parallelogram taken in order. What is the value of m + n + r?

   A) 6

   B) 12

   C) 15 (Ans)

   D) More than 15

3. What is the solution of the differential equation 3e^x tan y dx + (1 + e^x) sec² y dy = 0?

   A) (1 + e^x) tan y = c

   B) (1 + e^x)³ tan y = c

   C) (1 + e^x)² tan y = c

   D) (1 + e^x) sec² y = c (Ans)

   Where c is a constant of integration

4. What is the locus of points, the difference of whose distance from two points being constant?

   A) Pair of straight lines

   B) An ellipse

   C) A hyperbola (Ans)

   D) A parabola

5. What is the differential equation for y² = 4a(x - a)?

   A) yy' - 2xyy' + y² = 0

   B) yy'(yy' + 2x) + y² = 0

   C) yy'(yy' - 2x) + y² = 0 (Ans)

   D) yy' - 2xyy' + y = 0

6. If (4, 0) and (-4, 0) are the foci of an ellipse and the semi-minor axis is 3, then the ellipse passes through which one of the following points?

   A) (2, 0)

   B) (0, 5)

   C) (0, 0)

   D) (5, 0) (Ans)

7. Under what condition do the planes bx - ay = n, cy - bz = l, az - cx = m intersect in a line?

   A) a + b + c = 0

   B) a = b = c

   C) al + bm + cn = 0 (Ans)

   D) l + m + n = 0

8. On the upper layer of SSL, a protocol for initial authentication and transfer of encryption keys is called the …………………

   • A) SSL handshake protocol
   • B) SSL authentication protocol
   • C) SSL record protocol
   • D) SSL cipher protocol

   Answer: A) SSL handshake protocol

9. State whether the following statements are true.

   • i) An application-level gateway is often referred to as a proxy.
   • ii) In proxy, a direct connection is established between the client and the destination server.
   • A) True, False
   • B) False, True
   • C) True, True
   • D) False, False

   Answer: A) True, False

11. What are the different types of real data type in C?

    A. float, double

    B. short int, double, long int

    C. float, double, long double

    D. double, long int, float

    Ans: C

12. Which statement will you add in the following program to work it correctly?

    #include<stdio.h>
    int main()
    {
        printf("%f\n",  lof(36.0));
        return 0;
    }
        

    A. #include<conio.h>

    B. #include<math.h>

    C. #include<stdlib.h>

    D. #include<dos.h>

    Ans: B