Sify Placement Paper -: Quantitative Questions With Answers

Sify Previous Years Solved Sample Placement Papers

1. 'Hillock' is related to 'Mountains' in the same way as Bush is related to
   

   a) Ground

   b) Jungle

   c) Plant

   d) Tree

   Ans: b) Jungle
2. Find the odd one out
   

   a) Swan

   b) Vulture

   c) Ostrich

   d) Eagle

   Ans: a) Swan
3. If a person repaid Rs.22,500 after 10 years of borrowing a loan at 10% per annum simple interest find out what amount did he take as loan
   

   a) Rs.11,225

   b) Rs.11,250

   c) Rs.10,000

   d) Rs.7500

   Ans: b) Rs.11,250
4. 'A, B' and 'C' entered into partnership 'A' invested Rs.2,560 and 'B' Rs. 2,000. At end of the year they gained Rs. 1,105 out of which 'A' got Rs.320, 'C's capital was
   

   a) Rs.4280

   b) Rs.2840

   c) Rs.4820

   d) Rs.4028

   Ans: a) Rs.4280
5. A 2MB PCM (pulse code modulation) has:
   (a) 32 channels
   (b) 30 voice channels & 1 signalling channel
   (c) 31 voice channels & 1 signalling channel (Ans)
   (d) 32 channels out of which 30 voice channels, 1 signalling channel, & 1 Synchronization channel
6. Time taken for 1 satellite hop in voice communication is:
   (a) 1/2 second (Ans)
   (b) 1 second
   (c) 4 seconds
   (d) 2 seconds
7. A dishonest shopkeeper professes to sell pulses at the cost price but uses a false weight of 950 gm for a kg. His gain is ...%.
8. Max number of satellite hops allowed in voice communication is:
   (a) only one
   (b) more than one
   (c) two hops (Ans)
   (d) four hops
9. When a 'C' function call is made, the order in which parameters passed to the function are pushed into the stack is:
   (a) left to right
   (b) right to left (Ans)
   (c) bigger variables are moved first than the smaller variables
   (d) smaller variables are moved first than the bigger ones
   (e) none of the above
10. What is the type of signalling used between two exchanges?
    (a) inband (Ans)
    (b) common channel signaling
    (c) any of the above
    (d) none of the above
11. Buffering is:
    (a) the process of temporarily storing the data to allow for small variation in device speeds (Ans)
    (b) a method to reduce cross talks
    (c) storage of data within transmitting medium until the receiver is ready to receive
    (d) a method to reduce routing overhead