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TCS - Sample Questions
Posted Date: 04 Mar 2008 Resource Type: Articles/Knowledge Sharing Category: Placement Papers
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Posted By: Deepu Member Level: Diamond
Rating:  Points: 5
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1.What is the max possible 3 digit prime number?
Ans: 997
2.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 ———-
Ans: 1279
3.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?
Ans: 13 hours
4.Complete the series. 3, 8, –, 24, –, 48, 63.
Ans: 15,35
5.WHICH SHAPE WILL BE OBTAINED BY USING THESE VALUES OF X ,Y
X Y
0 0.00001
10 1.02
100 1.72
1000 3.00
9999 4.72
Ans: Y= log10(X)
6) A3-gallon mixture contains one part S and two parts R. In order to change it to a mixture containing 25% S, how much R should be added? (a) 1/2 gallon (b) 2/3 gallon (c) 3/4 gallon (d) 1 gallon (e) 1 1/2 gallon
7)Wind flows at 160 miles in 330 minutes, for traveling 80 miles how much time does it require?
(a) 1 hour 30 minutes (b) 1 hour 45 minutes (c) 2 hours
(d) 2 hours 45 minutes (e) 3 hours
8)A stationary engine has enough fuel to run 12 hours when its tank is 4/5 full. How long will it run when the tank is 1/3 full?
(a) Less than 2 hours (b) 2 hours (c) 3 hours
(d) 4 hours (e) 5 hours
9)The most economical prices among the following prices is:
(a) 10 kilo for Rs.160 (b) 2 kilo for Rs.30 (c) 4 kilo for Rs.70
(d) 20 kilo for Rs.340 (e) 8 kilo for Rs.130
10)A man was arrested for exceeding the speed limit by 10 miles an hour. A second man was charged with exceeding the same limit by twice as much. The second man was driving 35 miles per hour. What was the speed limit?
(a) 10 miles per hour (b) 15 miles per hour (c) 20 miles per hour
(d) 25 miles per hour (e) 30 miles per hour
11)WHICH ONE WILL BE THE EXACT POWER OF 3
(i) 2768 (ii)2678 (III) 2187
12)WHICH IS THE PERFECT ONE AMONG THE 4
1. 2x +3y=4 2. x + y= -1 3. Y=2x+ 3
13)TIME DEGREE
2 7 ° 6' 43.15?
4 5° 31' 4.3?
THEN WHAT WILL BE THE DEGREE WHEN TIME IS 3 O CLOCK
14).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 (n=intersection, u=union)
Find ((A n B) u C) =?
Ans: A-B is {A} - {A n B}
15).The number 384 in decimal system is given by (1234) x in the X System of numbers find the value of X a} 5 b) 6 c) 7 d) 8 e) 9
Ans: a)
16).g(0)= -1, G(1)=1 ,G(N) = G(N-1)-G(N-2) , g(6)=?
Ans: -2
17). If two pencils cost 8 cents, then how much do 5 pencils cost?
Ans. 20 cents
19). Two people do a certain amount of work in 24 minutes. One of them can do this work alone in 40 minutes. How much time does the second person take to do the same work alone?
Ans. 60 minutes
20). A car is filled with four and half gallons of fuel for a round trip. If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?
Ans.2 gallons
21). The lowest temperature in the night in a city A is 1/3 more than 1/2 the highest during the day. Sum of the lowest temperature and the highest temperature is 100 degrees. Then what is the low temp?
Ans.40 degrees
22). Mohan, who decided to go to weekend trip, should not exceed 8 hours driving in a day. The average speed of forward journey is 40 miles/hr. Due to traffic on sundays, the return journey’s average speed is 30 m/h. How far he can select a picnic spot?
120 miles
between 120 and 140 miles
160 miles
100 miles
Ans. 120 miles
23). A building with height D has a shadow upto G. What is the height of a neighboring building with a shadow of C feet.
Ans. (C*D)/G
24). A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding the same speed limit by twice the same speed. If the second person was travelling at a speed of 35 mph, find the speed limit.
Ans. 15 mph
25). A bus started from a bus-stand at 8.00am, and after staying for 30 minutes at a destination, it returned back to the bus-stand. The destination is 27 miles from the bus-stand. The speed of the bus is 18mph. During the return journey the bus travels with 50% faster speed. At what time does it return to the bus-stand?
Ans. 11.00am
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