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# TCS Placement Questions & Answers :: TCS

270.83K

## Total Qs: 649+

NA
SHSTTON
6
Solv. Corr.
3
Solv. In. Corr.
9
Attempted
0 M:0 S
Avg. Time

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

| | Important Formulas | Topic: | Asked In TCS |

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

Tags: TCS

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

| | Topic: | Asked In TCS |

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

Tags: TCS

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%

| | Important Formulas | Topic: | Asked In TCS |

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.

Tags: TCS

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

| | Topic: | Asked In TCS |

Explanation:

1.25+0.25=1.50+0.25=1.75
3-2=1-2=-1

Tags: TCS

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

| | Important Formulas | Topic: | Asked In TCS |

Explanation:

Here is no explanation for this answer

Tags: TCS

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

| | Important Formulas | Topic: | Asked In TCS |

Explanation:

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

Tags: TCS

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

| | Important Formulas | Topic: | Asked In TCS |

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

Tags: TCS

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

| | Important Formulas | Topic: | Asked In TCS |

Explanation:

Here is no explanation for this answer

Tags: TCS

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

| | Topic: | Asked In TCS |

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

Tags: TCS

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

| | Important Formulas | Topic: | Asked In TCS |

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 