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# Placement Questions & Answers :: TCS

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Not Attempted

451. One day, Eesha started 30 minutes late from home and reached her office 50 minutes late, while driving 25% slower than her usual speed. How much time in minutes does Eesha usually take to reach her office from home?

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Answer: Option C

Explanation:

Let us time taken by eesha daily = x
and usual speed = y
extra time taken = 50-30 = 20 min
So, (x+20)*(0.75*y) = x*y ----- (1)
0.75x+15 = x
=> 0.25x = 15
=> x = 60 min

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452. Alvin, Ben and Clinton run a race, with Alvin finishing 48 meters ahead of Ben and 72 meters ahead of Clinton, while runner Ben finishes 32 meters ahead of runner Clinton. Each runner travels the entire distance at constant speed. What is the length of the race?

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Answer: Option B

Explanation:

Let us assume the speeds of alvin,ben,clinton = A,B,C resp.
and the length of race = d
let in time t alvin finishes the race
A*t=d
B*t=d-48 ------- (1)
C*t=d-72 --------(2)
So,B:C=(d-48):(d-72) ------- (3)
Now Ben covers 48 mt more to complete the race.
In the same time Clinton covers 40mt (as it is given that he is beaten by 32mt by ben)
So,B:C=48:40....(4) (speed proportional to distance covered if time is same)
By, comparing equation (3) and (4)
d=192 mt

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453. When numbers are written in base b we have 12*25=333. The value of b is:

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Answer: Option C

Explanation:

Lets assume the base of number = X
Convert all the number to base X
(1*X + 2*X^0)*(2*X + 5*X^0) = (3*X^0 + 3*X^1 + 3*X^2)
By solving the above eq. X=7

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454. George Paul, Hari start a business by contributing Rs. 30000, Rs. 40000, Rs. 50000 respectively. After 1/2 year George withdraws half his contribution. At the end of the year the business showed a profit of Rs. 90000 which has divided amongst the 3 men proportionate to amount and duration and duration of their investment in enterprise. Paul got:

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Answer: Option D

Explanation:

George investiment for year is 6*15000+12*15000 = 2,70,000
Paul = 12*40,000 = 4,80,000
Hari = 50,000*12 = 6,00,000
Their ratio is 9 : 16 : 20
Given, profit = Rs. 90000
So, paul share = (90000)*16/45 = Rs. 32000

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455. If the price of petrol increases by 25% and Kelvin intends to spend only an additional 15%on petrol, by how much % will he reduce the quantity of petrol purchased?

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Answer: Option B

Explanation:

Let the current price of unit quantity of petrol be x. New price=1.25x.
Let reduced quantity be y.
y*1.25x = 1.15x,
y=115/125=23/25
Reduction = 1 - 23/25 = 2/25 = 8%

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Not Attempted

456. A team won 80% of the games if played. If played 5 more games of which if won 3 and lost 2. Its loss percentage changed by 25%. How many games did it played overall?

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Answer: Option A

Explanation:

Game played = x
Then Lost Game = x/5
Now they played 5 more games in which they lost 2
so, (x+5)*25/100 = x/5 + 2
=> x=15
Total game played = 15+5 = 20

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Not Attempted

457. A gardener changed the size of his rectangle shaped garden by increasing its length by 40% and decreasing its width by 20%. The area of the new garden

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Answer: Option A

Explanation:

If (l*b)=x is initial area, then
New area = 1.4*l *0.8*b= 1.12*l*b= 1.12 x
Increase in area= 0.12 x
Percentage increase in area = 100*0.12x/x= 12 %

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458. Certain positive integers have these properties:
(I)The sum of the squares of their digits is 50
(II) Each digit is larger than the one to its left.

The product of the digits of the larger integer with both properties is

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Answer: Option B

Explanation:

Integers that exhibit the given properties are 17,1236,345
the largest integer among those is 1236
so product of the digits of 1236 is 36.

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Not Attempted

459. At the end of the 1894 Suresh was half as old as his grandmother. The sum of the years was born in 3644. How old Suresh was at the end of 1899?

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Answer: Option D

Explanation:

Lets assume Suresh age in 1894 = x.
So, Grandmothers age = 2x.
Year of birth for Suresh = (1894 - x)
and grandmother = (1894-2x)
Adding 2*1894 - 3x = 3644
=> x=48
At the end of 1899, age = (48 + 1899-1894) = 53

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Not Attempted

460. Mr and Mrs smith had invited 9 of their friend and their spouses for party at wiki beachresort.the stand for group photograph if mr smith never stand next to mrs smith then how many way group arrange in row.

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Answer: Option C

Explanation:

Mr and Mrs smith never be together so out of 20 (with both them) 19 can b any place so total = 19!
20 because their invitees are with their spouses.
Also 1 of them can stand with other so 18 places
So total is 18*19!

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Here is the list of questions asked in TCS Aptitude Test Question with Answers TCS Mock Test page 46. Practice TCS Written Test Papers with Solutions and take Q4Interview TCS Online Test Questions to crack TCS written round test. Overall the level of the TCS Online Assessment Test is moderate. Only those candidates who clear the written exam will qualify for the next round, so practic all the questions here and take all the free tests before going for final selection process of TCS