TCS PLACEMENT PAPER 23rd JANUARY AT INDORE

1. A bus started from bustand at 8.00am, and after staying for 30 minutes at a destination, it returned back to the busstand. The destination is 27 miles from the busstand. The speed of the bus is 18mph. During the return journey bus travels with 50% faster speed.At what time does it return to the busstand?
Ans. 11.00am

2. Hansie made the following amounts in seven games of cricket in India : Rs.10, Rs.15, Rs.21, Rs.12, Rs.18, Rs.19 and Rs.17(all figures in crores of course).Find his average earnings.
Ans. Rs.16 crore

3. What is the largest prime number that can be stored in an 6-bit memory?
Ans. 61 (2^6 = 64 ; now prime no. less than 64 is 61….so ans is 61)

4. What is the largest prime number that can be stored in an 7-bit memory?
Ans. 127

5. What is the largest prime number that can be stored in an 8-bit memory?
Ans. 251

6. What is the largest prime number that can be stored in an 9-bit memory?
Ans. 509

7. Select the odd one out. a. Java b. Lisp c. Smalltalk d. Eiffel.
Ans. b

8. Select the odd one out a. Oracle b. Linux c. Ingress d. DB2
Ans. d

9. Select the odd one out a. WAP b. HTTP c. BAAN d. ARP
Ans. c

10. Select the odd one out a. LINUX b. UNIX c. SOLARIS d. SQL SEVER
Ans. d

11. Select the odd one out a. SQL b. DB2 c. SYBASE d. HTTP
Ans. d

13. 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?
Ans. 0.5%

14. Number of faces, vertices and edges of a cube
Ans. 6, 12, 8

15. Find the value of @@+25 - ++@16, where @ denotes "square" and + denotes "square root".
Ans. 621

16. 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)
Ans. 19 (3+3+7+6)

17. G(0)=-1, G(1)=1, G(N)=G(N-1) - G(N-2), G(5)= ?

18. What is the max possible 3 digit prime number?
Ans. 997

19. 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.
Ans. (750*15 + {1500-750}*12)

20. 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.
Ans. (put 9 & 4in eq. n subtract )

21. 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?
Ans. 30 ms (10+20)

22. 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?
Ans. 8 days

23. Find the singularity matrix from a given set of matrices?
Ans. (det(A)==0)

24. 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] ?
Ans. 3000+[7*7*2]+[4*2]

25. (Momentum*Velocity)/(Acceleration * distance ) find units.
Ans. mass

26. 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

27. 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

28. Solve bar graph n pie chart problems from RS A grawal…………2 ques from this part are 4 sure.

29. Solve series problems……like………. 2,7,24,77,…. Find d missing term?
Ans. 240 (2*12=24 ; 7*11=77 ; so 24*10=240)