DRDO modal placement papers

Hello would you plz send me DRDO placement question papers

[Quick Sam]

As you are asking for DRDO placement question papers, I have this paper and providing here on your demand

It contained 2 parts PART 1 - pure technical 100 ques. and Part 2 50 Ques.
Part 1 was purely technical but I was hard 2 answer part 2 general Knowledge abt 20-25
ques were from maths remaining from general.They collected the question paper back. I
am herewith attaching some of the questions that @ noted down at hall.
If 100ns is Memory Access Time & 125 microsec is 1frame period. The no. of line that
can be supported in a Time Divison Switch is
a)125 Lines
b)625 Lines
c)525 Lines
d)465 Lines
The no. of edjes in disjoint Hamilton circuit in a complex graph with 17 edges is
a) 8
b) 9
c) 136
d) 17^2
15 persons in a club sit every day ina dinner table such that every member has different
neighbour. This arrangement will last for how many days.
Assume a system has 16MB cache mean Disk Access Time & cache Access time is 76.5
ns & 1.5 overall mean Access time us 465ms for each tripling the memory the miss rate is
halved. The memory required to bring down the mean Access time to 24ns is
a) 16 MB
b) 24 MB
c) 32 MB
d) 48 MB
Average transfer speed of a i/p serial line is minimum 25,000 Bytes & maximum 60000
Bytes. Polling Strategy adopted takes 4microsec(whether there is any i/p byte or not). It is
assured that byte that retrived from controller before next byte arrives are lost. Then the
maximum safe polling interveal is
a) 12
b) 12.33
c) 12.67
d) 32
A harddisk has a rotation speed of 4500RPM. then the latency time is
a) .4
b) .6
c) .7
d) .9
Suppose all elements above the principal diagonal od n x n matix A are zero. If non zero
elements of the lower triangular Matrix is stored in an array B with A[1][1] stored at
B[1]. The addressing formula to the nonzero element in A[i][j]=?
a) A[i][j]
b) i(j-1)/2 +i
c) j(i-1)/2 +i
d) i(i-1)/2 +j
The minumum number of comparisons requied to find the second smallest element in a
1000 element array is
a) 1008
b) 1010
c) 1999
d) 2000
The internal path length of a Bonary Tree with 10nodes is 25. The external path length is
a) 25
b) 35
c) 40
d) 45
Average No. of Comparisons required to sort 3 elements is
a) 2
b) 2.33
c) 2.67
d) 3
In a switch the mean arrival rate of packets is 800 Packets/sec and the the mean service
rate is 925 Packets/sec
a) .008 Sec
b) .08 sec
c) .8 sec
d) 1.1 sec
What is Interface Control Information?
The minumum no. of Multiplications needed to compute x^768 is
a) 9
b) 10
c) 425
d) 767
Find values for a,b,c,d
c 1 1 1
0 a 1 b
_______
1 0 d 0
(967)basex = 321base9
PART II Genreal 50 General Non-Technical[4 Options]
{ >20 questins were from Mathematic}
----------------------------------------
The area of red planet where the Mars Rover Landed?
In Which Day world Telecom Day Celebrated?
Laser is used for what?
a) Treatment of Cancer
b) Treatment of Eyes
c) Treatment of Heart
d) Treatment of Kidney
Which country is not a Member of SAARC
a) Bangladesh
b) Myanmar
c) Maldives
d) Nepal
The New Biotechnology Software intorduced by TCS is?
What is Wi Fi?
Which is the fastest Cruise Missile?

Here I am looking for the DRDO previous year placement paper for the preparation so can you please provide me this?

[Pathak]

As you need the DRDO previous year placement paper so here I am sharing the same with you

1. ONGC headquarter situated in
a. Delhi
b. Mumbai
c. Dehradun
Ans C

2. First Nuclear Test of India at
Ans Pokhran

3. Which of these is a surface to air missile
a. Agni
b. Naag
c. Prithvi
d. Aakash
Ans. d

4. Who among these is the Chief Justice of India
Ans. Kapadia

5. Pankaj Advani related to which sport
a. Tennis
b. Golf
c. Badminton
d. None of these
Ans d

6. Jallianwala Bagh is in
a. Jalandhar
b. Amritsar
Ans B

7. Who is the speaker of Lok Sabha
Ans Smt. Meira Kumar

8. Saina Nehwal plays or related to
Ans. Badminton

9. Which river of these fall in arab sea
a. Krishna
b. Godavari
c. Narmada
Ans. C

10. Who is honoured by IAF by conferring rank of Group Captain
Ans Sachin Tendulkar

11. In which state vehicle number starts with KL
Ans. Kerala

12. The largest feudatories of the Hampi, Vijayanagar Kingdom found in
Ans. Karnataka

13. Zero absolute temperature mean
Ans -273.15 Celcius ( or 0 kelvin or −459.67 °F )

14. Who worte the national anthem
Ans. Rabindarnath Tagore

15. Pyramid situated in which country
Ans. Egypt

16. Highest Commander in chief of Indian Army Force is
Ans. President

17. Ashoka's heart changed due to which war
Ans . Kalinga war

18. Tulsidas wrote
a. Ramayan
b. Ramcharit Manas
c. Geeta
Ans B

19. In "VIBGYOR" what is B for
a. Black
b. Blue
c. Brown
Ans. B

20. In eye donation which part of eye is donated
a. Iris
b. Retina
c. Cornea
d. Whole eye
Ans. C

21. All colour of a TV made from three colour
a. Red,blue, yellow
b. Green, black, red
c. Red, blue , green
d. Red, yellow, green
Ans C

22 Under "Right to Education" act the children come of the age group
a. 5 to 14
b. 6 to 14
c 8 to 14
d. 8 tp 16
Ans B

23. A boat travels at speed of 6 km/hr in a river and 4 km/hr in opposite direction of river. Then the speed of boat is
Ans. 5 km/hr

24. A man stand face towards North-West and turn clockwiss 90 degree. Then turn 135 degree anticlockwise , now which direction he is facing
a. south-east
b. north-east
c. west
d. south
Ans C

25. Which is different from others
a. 2nd october
b. 14 november
c. 2nd may
d. 23 January
Ans C



26. If the radius of a circle is diminished by 10%, then its area is diminished by:
1. 10%
2. 19%
3. 20%
4. 36%
Ans: 2.

27. A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs.Find the speed of the boat in still water and the speed of the water current?
1. 1/2 kmph
2. 7/12 kmph
3. 5 kmph
4. none of these
Ans: 2.

28. At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?
1. 4:21:49.5
2. 4:27:49.5
3. 3:21:49.5
4. 4:21:44.5
Ans: 1.

29. A shop keeper sold a T.V set for Rs.17,940 with a discount of 8% and earned a profit of 19.6%.What would have been the percentage of profit earned if no discount was offered?
1. 24.8%
2. 25%
3. 26.4%
4. Cannot be determined
5. None of these
Ans: 5.

30. If (2x-y)=4 then (6x-3y)=?
1. 15
2. 12
3. 18
4. 10
Ans: 2.

31. A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 1 p.m. on the following day?
1. 48 min. past 12
2. 38 min. past 12
3. 28 min. past 12
4. 25 min. past 12
Ans: 1.

32. What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12
1. 16
2. 9
3. 15
4. 6
Ans: 2.

33. Dinesh travelled 1200 km by air which formed 2/5 of his trip. One third of the whole trip, he travelled by car and the rest of the journey he performed by train. What was the distance travelled by train?
1. 600Km
2. 700Km
3. 800Km
4. 900Km
Ans: 3.



34. A train which travels at a uniform speed due to some mechanical fault after traveling for an hour goes at 3/5th of the original speed and reaches the destination 2 hrs late.If the fault had occurred after traveling another 50 miles the train would have reached 40 min earlier. What is distance between the two stations.
1. 300
2. 310
3. 320
4. 305
Ans: 1.

35. The average between a two digit number and the number obtained by interchanging the digits is 9. What is the difference between the two digits of the number?
1. 8
2. 2
3. 5
4. Cannot be determined
Ans: 4