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TCS PAPER (QUANTITATIVE AND LOGICAL REASONING) IN ANNA UNIVERSITY
Posted Date: 14 Mar 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers
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Posted By: ashish singh Member Level: Diamond
Rating:  Points: 5
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SECTION 2: QUANTITATIVE AND LOGICAL REASONING.
MOST OF THE QUESTIONS WERE FROM TCS OLD PAPERS.
THE QUESTIONS WILL BE OF THIS PATTERN TO EVERYONE. ONLY THE DATA GET
CHANGES.
1. In a two-dimensional array, X (9, 7), with each element
occupying 4 bytes of memory, with the address of the first element X
(1, 1) is 3000, find the address of X (8, 5).
2. In the word ORGANISATIONAL, if the first and second, third and
forth, forth and fifth, fifth and sixth words are interchanged up to
the last letter, what would be the tenth letter from right?
3. What is the largest prime number that can be stored in an 8-bit
memory?
4. Select the odd one out. a. Java b. Lisp c. Smalltalk d.
Eiffel.
5. Select the odd one out a. SMTP b. WAP c. SAP d. ARP
6. Select the odd one out a. Oracle b. Linux c. Ingress d. DB2
7. Select the odd one out a. WAP b. HTTP c. BAAN d. ARP
8. Select the odd one out a. LINUX b. UNIX c. SOLARIS d. SQL
SEVER
9. Select the odd one out a. SQL b. DB2 c. SYBASE d. HTTP
10. The size of a program is N. And the memory occupied by the
program is given by M = square root of 100N. If the size of the
program is increased by 1% then how much memory now occupied?
11. A man, a woman, and a child can do a piece of work in 6 days.
Man only can do it in 24 days. Woman can do it in 16 days and in how
many days child can do the same work?24
12. In which of the system, decimal number 384 is equal to 1234?
13. Find the value of the 678 to the base 7.1650
14. Number of faces, vertices and edges of a cube 6faces,8v,12e
15. Complete the series 2, 7, 24, 77,__
16. Find the value of @@+25-++@16, where @ denotes "square" and +
denotes "square root".621
17. Find the result of the following _expression if, M denotes
modulus operation, R denotes round-off, T denotes truncation: M
(373,5)+R(3.4)+T(7.7)+R(5.8)3751
18. If TAFJHH is coded as RBEKGI then RBDJK can be coded as -----
----
19. G(0)=-1, G(1)=1, G(N)=G(N-1) - G(N-2), G(5)= ?-1
20. What is the max possible 3 digit prime number?
21. A power unit is there by the bank of the river of 750 meters
width. A cable is made from power unit to power a plant opposite to
that of the river and 1500mts away from the power unit. The cost of
the cable below water is Rs. 15/- per meter and cost of cable on the
bank is Rs.12/- per meter. Find the total of laying the cable.29250
22. The size of a program is N. And the memory occupied by the
program is given by M = square root of 100N. If the size of the
program is increased by 1% then how much memory now occupied?
squareroot (110N)
23. In Madras, temperature at noon varies according to -t^2/2 +
8t + 3, where t is elapsed time. Find how much temperature more or
less in 4pm to 9pm.55.5
24. The size of the bucket is N kb. The bucket fills at the rate
of 0.1 kb per millisecond. A programmer sends a program to receiver.
There it waits for 10 milliseconds. And response will be back to
programmer in 20 milliseconds. How much time the program takes to get
a response back to the programmer, after it is sent?
25. If the vertex (5,7) is placed in the memory. First vertex
(1,1) `s address is 1245 and then address of (5,7) is ----------
26. Which of the following are orthogonal pairs? a. 3i+2j b.
i+j c. 2i-3j d. -7i+j
27. If VXUPLVH is written as SURMISE, what is SHDVD?
28. If A, B and C are the mechanisms used separately to reduce
the wastage of fuel by 30%, 20% and 10%. What will be the fuel
economy if they were used combined.
29. What is the power of 2? a. 2068 b.2048 c.2668
30. Complete the series. 3, 8, --, 24, --, 48, 63
31. Complete the series. 4, -5, 11, -14, 22, ---
32. A, B and C are 8 bit no's. They are as follows:
A 1 1 0 1 1 0 1 1
B 0 1 1 1 1 0 1 0
C 0 1 1 0 1 1 0 1
Find ( (A-B) u C )=?
Hint :
A-B is {A} – {A n B}
33. A Flight takes off at 2 A.M from northeast direction and
travels for 11 hours to reach the destination which is in north west
direction. Given the latitude and longitude of source and
destination. Find the local time of destination when the flight
reaches there?
34. A can copy 50 papers in 10 hours while both A & B can copy 70
papers in 10 hours. Then for how many hours required for B to copy 26
papers?
35. A is twice efficient than B. A and B can both work together to
complete a work in 7 days. Then find in how many days A alone can
complete the work?
36. A finish the work in 10 days. B is 60% efficient than A. So
how days does B take to finish the work?
37. A finishes the work in 10 days & B in 8 days individually. If
A works for only 6 days then how many days should B work to complete
A's work?
38. Given the length of the 3 sides of a triangle. Find the one
that is impossible? (HINT : sum of smaller 2 sides is greater than
the other one which is larger)
39. Find the singularity matrix from a given set of matrices?(Hint
det(A)==0)
40. A 2D array is declared as A[9,7] and each element requires 2
byte. If A[ 1,1 ] is stored in 3000. Find the memory of A[8,5] ?
41. Sum of slopes of 2 perpendicular st. lines is given. Find the
pair of lines from the given set of options which satisfy the above
condition?
43. (a) 2+3i (b)1+i (c) 3-2i (d) 1-7i .Find
which of the above is orthogonal.
44. (Momentum*Velocity)/(Acceleration * distance ) find
units.kg,m^2/s^2
45. The number 362 in decimal system is given by (1362)x in the X
system of numbers find the value of X a}5 b) 6 c) 7 d) 8 e) 9
46. Given $ means Tripling and % means change of sign then find
the value of $%$6-%$%6
47. My flight takes of at 2am from a place at 18N 10E and landed
10 Hrs later at a place with coordinates 36N70W. What is the local
time when my plane landed.
a) 6:00 am b) 6:40am c)7:40 d)7:00 e)8:00 (Hint : Every
1 deg longitude is equal to 4 minutes . If west to east add time else
subtract time)
48. Find the highest prime number that can be stored in an 8bit
computer.
49. Which of the following set of numbers has the highest Standard
deviation?
1,0,1,0,1,0
-1,-1,-1,-1,-1,-1
1,1,1,1,1,1
1,1,0,-1,0,-1
50. Match the following:
1. Male - Boy ---> a. A type of
2. Square - Polygon ---> b. A part of
3. Roof - Building ---> c. Not a
type of
4. Mushroom - Vegetables ---> d. A superset of
Ans: 1- d, 2- a, 3- b, 4- c
51. Match the following.
1. brother – sister ---> a. Part of
2. Alsatian – dog ---> b. Sibling
3. sentence – paragraph ---> c. Type of
4. car - steering ---> d. Not a type
of
Ans. 1-b, 2-c, 3-a, 4-d
*****Remaining Questions were from Graph, pie charts, Bar chart and
Venn diagram which were very easy.
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