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TCS Placement Questions & Answers :: TCS

270.83K

Tot. Mock Test: 40


Total Qs: 649+

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SHSTTON
6
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3
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9
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61 / 649

A watch gains 5 min. every hour. If it has set right at 12 noon. what is the true time when the watch is showing 5 pm,on the same day?


A4:480/13

B3:480/13

C0.569444444

DNone of these

Answer: Option A

Explanation:

65 min of 1st clock = 60 min of correct clock
5 hr of this clock = 60x5/65 of correct clock=60/13
correct time is 60/13 hr after 12 = 4:8/13=4:480/13

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NA
SHSTTON
21
Solv. Corr.
32
Solv. In. Corr.
53
Attempted
1 M:36 S
Avg. Time

62 / 649

A call center agent has a list of 305 phone nos of people in alphabetic order of names (but she does not have any of the names). she needs to quickly contacts deepak sharma to convey a message to him.If each call takes 2 minutes to complete, and every call is answered, what is the minimum amount of time in which she can guarantee to deliver the message to Mr.Sharma.


A20

B18

C10

D15

Answer: Option B

Explanation:

305/2=152
152/2=71
71/2=35
35/2=17
17/2=8
8/2=4
4/2=2
2/2=0
we get 0 after 9 times.
ans=9*2=18

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NA
SHSTTON
10
Solv. Corr.
43
Solv. In. Corr.
53
Attempted
0 M:0 S
Avg. Time

63 / 649

Choose the correct option.

If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.


A40%

B55%

C35%

D30%

Answer: Option D

Explanation:

Lets assume the cost = Rs x.
After giving 25% discount it becomes 0.75x
Selling price = 0.75x which gives 25% profit...(1)

Thus, after giving 10% discount it becomes 0.90x
Selling price = 0.90x ......(ii)
From eq. (1) and (2),
0.90x will gives = (25 * 0.90x)/ (0.75x) = 30 % profit.

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NA
SHSTTON
77
Solv. Corr.
60
Solv. In. Corr.
137
Attempted
0 M:50 S
Avg. Time

64 / 649

find the number that can be put in place of the question mark.
1.25,3,7.1,1.50,1,8.1,1.75,-1,?


A8.1

B9.1

C9

D4

Answer: Option B

Explanation:

1.25+0.25=1.50+0.25=1.75
3-2=1-2=-1
7.1+1=8.1+1=answer is 9.1

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NA
SHSTTON
12
Solv. Corr.
6
Solv. In. Corr.
18
Attempted
0 M:0 S
Avg. Time

65 / 649

In month of jan 4 thursday and 4 sunday then on 1st jan of that month which willbe the day?


AMonday

BFriday

CSaturday

DWednesday

Answer: Option A

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
3
Solv. Corr.
8
Solv. In. Corr.
11
Attempted
0 M:0 S
Avg. Time

66 / 649

The famous church in the city of Kumbakonnam has a big clock tower and is said to be over 300 years old. Every Monday 10.00 A M the clock is set by Antony, doing service in the church. The Clock loses 6 mins every hour. What will be the actual time when the faulty clock shows 3 P.M on Friday?


A1:06 am saturday

B4:54 am Friday

C2:13:20 am saturday

D3 am Friday

Answer: Option B

Explanation:

Monday 10am to friday 3pm=101 hours=606 minutes=10 hours 6 minutes delay
So, time at 3 pm = 4:54am

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NA
SHSTTON
4
Solv. Corr.
26
Solv. In. Corr.
30
Attempted
0 M:0 S
Avg. Time

67 / 649

A drawer hold 4 red hates and 4 blue hates. what is the probability of getting exactly 3 hatesv when taking out 4 hates randomly out of the drawerband imediately returining every hate to the drawer before taking out the next?


A8-Mar

B8-May

C8-Jul

D8-Jan

Answer: Option D

Explanation:

The probability of drawing red or blue is equal.
Probability to draw exactly 3 red hats and 1 blue hat =1/2*1/2*1/2*1/2=1/16
Similarly probability to draw exactly 3 blue hats and 1 red hat =1/2*1/2*1/2*1/2=1/16
Total probability =1/16+1/16=1/8

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NA
SHSTTON
2
Solv. Corr.
22
Solv. In. Corr.
24
Attempted
0 M:0 S
Avg. Time

68 / 649

Choose the correct option.

Sum of 1(2)+2(2)^2+3(2)^3+.......+100(2)^100


A99(2)^100+2

B100(2)^100+2

C101(2)^100+2

D101(2)^101+2

ENone of these

Answer: Option E

Explanation:

Here is no explanation for this answer

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NA
SHSTTON
48
Solv. Corr.
92
Solv. In. Corr.
140
Attempted
2 M:1 S
Avg. Time

69 / 649

Find the number that can be put in place of the question mark.
3 7 14 23 36 49 ? 83 104


A66

B56

C110

D62

Answer: Option B

Explanation:

7-3=4 4*4=16 16-2=14
36-23=13 13*4=52 52-3=49
83-56=27 27*4=108 108-4=104

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NA
SHSTTON
21
Solv. Corr.
26
Solv. In. Corr.
47
Attempted
0 M:0 S
Avg. Time

70 / 649

There are 20 balls which are red,blue,or green.If 7 balls are green and the sum of red balls and green balls is less than 13, at most how may red balls are ?


A5

B6

C7

D4

Answer: Option A

Explanation:

Green ball =7
G + R < 13
So, red can be 1 or 2 or 3 or 4 or 5
For atmost red ball take red = 5

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