RECENT TCS QUESTIONS

Tcs written exam :: 10-12th September , GUWAHATI
1. Find X^y+y^x=46. Find X and Y values?
2. 3 white chips, 7 blue chips, 16 green chips, 2 chips drawn from the box in succession what is
the probability that one is blue and other is white?
a) 7/50 b) 8/30 c) 7/25 d) 20/26
3. If a person has to work 8 continuous day & he gets a rest on the 9th day. If a person starts on
Monday. What is the day of 12th rest day?
4. How many liters of a 90% of concentrated acid needs to be mixed with a 75% solution of
concentrated acid to get a 30 liter solution of 78% concentrated acid?
a) 8 b)9 c) 7 d)6
5. 3 cars A, B & C are in the race. A is twice as likely to win as B and B is thrice as likely to win
as C. what is probability that B will win, if only one can win the race ?
a) ½ b) 2/5 c) 3/10 d) 1/10
6. A cow & Horse brought for Rs.2000. The cow is sold at a profit of 20% and the Horse is sold
at a loss of 10%. Of The overall gain is Rs.40. The cost price of the cow is :
a) 700 b) 800 c) 1200 d) 1300
7. The sum of 3 consecutive numbers of the four numbers A, B, C, D are 4613,4961,5010,5099
then what is the largest number among A,B,C,D ?
a) 1948 b) 1463 c) 1601 d) 1550
8. George printing press can print an edition of newspapers in 12 hours while Paul’s press can
print the same edition in 18 hours. What is the total no. of hours the press working together but
independent of one another to print the same edition?
a) 15 b) 17.4 c) 7 d) 7.2
9. 87th number in the series 2, 10, 26, 50…….
10. 70, 54, 45, 41……. What is the next number in the given series?
11. If the sum of the numbers in each row column, diagonal are same then find the value of
(Y+Z)
12. If the sum of the numbers in each row column, diagonal are same then find the value of
(Y+Z)
13. In the simple subtraction problem Below , sum single digits (not necessarily distinct) are
replace by letters , find the value of 7*A + 7*B +6*C*D
A 7 C 2
- 4 B 6 8
--------------
5 4 3 D
a) 77 b) 95 c) 84 d) 70
14. How many polynomial functions f of degree >=1 satisfy f(X2) = (f(X)) 2 =f (f(X)).
a) 1 b) 0 c) 2 d) more than 2
15. What is the remainder when 50! (50 factorial ) is divided by 16 ^ 15 (1615)
Answer is: 1
16. 1,5,6 ,25, 26,30,31, 125,126,130,131,150,151,155,156,…………………
What is the value of 30th term in the given series?
a) 781 b) 3125 c) 776 d) 780
17. The climb from foot to top of a hill 800 meters, Jack can climb at 16 meters per minute and
rests for two minutes or 20meters per 2 minutes and rest for one minute. Paul can climb at 10
meters per one minute and rest for one minute or
16 meters per minute and rest for 2 minutes. If take has to reach the top in exactly two hours.
What is the maximum number of rests that he can take?
a) 41 b) 42 c) 40 d) 43
18. If the 20th term of an AP=560 and 30th term of AP=840 then what is the sum of 5th term and
40th term of the series.
a) 1450 b) 1560 c) 1260 d) 1340
19. Raj tossed 3 dices and there results are noted down then what is the probability that raj gets
10?
a) 1/72 b) 1/9 c) 25/216 d)1/8
20. The diagonal of a square is twice the side of equilateral triangle the ratio of Area of the
Triangle to the Area of Square is?
a) √3:8 b) √2:5 c) √3:6 d) √2:4
21. Apple costs L rupees per kilogram for first 30kgs and Q rupees per kilogram for each
additional kilogram. If the price of 33 kilograms is 11.67and for 36kgs of Apples is 12.48 then
the cost of first 10 kegs of Apples is
a) 3.50 b) 10.53 c) 1.17 d)2.8
22. 1,2,2,3,3,3,4,4,4,4,1,1,2,2,2,2,3,3,3,3,3,3,4,4,4,4,4,4,4,4,…………………………………..
Then what is the 2532 position of the number in the sequence?
a) 2 b) 1c) 3 d) 4
23.
1,2,2,3,3,3,4,4,4,4,1,1,2,2,2,2,3,3,3,3,3,3,4,4,4,4,4,4,4,4,…………………………………..
Then what is the 2320 position of the number in the sequence?
b) 2 b) 1c) 3 d) 4
24. How many 7’s are there between 0 to 400?
25. The letters in the word ABUSER are permuted in all possible ways and arranged in
alphabetical order then find the word at position 49 in the permuted alphabetical order?
a) ARBSEU
b) ARBESU
c) ARBSUE
d) ARBEUS
26. The letters in the word TALION are permuted in all possible ways and arranged in
alphabetical order then find the word at position 33 in the permuted alphabetical order?
27. The letters in the word SHOVEL are permuted in all possible ways and arranged in
alphabetical order then find the word at position 31 in the permuted alphabetical order?
28. 15 students join a summer course. Every day 3 students are on duty after school to clean the
class rooms. After the course, it was found that every pair of students has been on duty exactly
once. How many days does the course last for?
a) 35 b) 45 c) 105 d)none of these
29. Consider all permutations (i.e., arrangements) of digits 1, 2&3. We will say that a hit has
been scored if at least one digit occurs in its proper position in the permutation. If 1 (one) occurs
in the first position or 2 in the second position or 3(three) in the 3rd position in how many ways
of these permutations is a hit scored?
a) 4 b) 1 c) 2 d) 3
30. If the word MONOS is permuted then the probability that O’s never come together?
31. Next number in the given series 1, 7, 8, 49, 50, 56, 57, 343,