TCS Placement Questions & Answers :: TCS
371 / 652
Number of positive integers valued pairs (x, y) satisfying 4x - 17y = 1, x is <=1000 is :
A59
B57
C55
D58
Answer: Option D
Explanation:4x - 17y = 1 and x £ 1000 Þ x = (1 + 17y) /4 Þ (1 + 17y)/4 £ 1000
Þ 1 + 17y £ 4000 Þ 17y £ 3999 Þ y £ 3999/17 Þ y £ 235.
Considering multiples of 4 (for x), we get 235/4 = 58.75. Hence 58 such pairs can exist.
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372 / 652
In a survey of political preferences, 78% of those asked were in favour of at least one of the proposals I, II and III. If 50% favoured the first proposal, 30% the second and 20% the third, 5% favoured all the three, what is the percentage of those asked favoured more than one of the three proposals.
A10
B12
C17
D22
Answer: Option D
Explanation:Use direct formula for Union.
Þ 78 = 50 + 30 + 20 – x + 5. Ans. x – 5 = 22.
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373 / 652
The figure below shows 2 concentric circles with centre O. PQRS is a square inscribed in the outer circle. It also circumscribes the inner circle touching it at points B, C, D and A. What is the ratio of the Perimeter of the outer circle to that of the polygon ABCD.
Ap/4
B3p/2
Cp/2
Dp
Answer: Option C
Explanation:If R is the radius of outer circle, then the side of the innermost square = R. Required answer = 2p r/4r = p /2.
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374 / 652
For a scholarship, n out of 2n + 1 students are to be selected. If the number of different ways in which at least one student can be selected is 63, then the maximum number of students to be selected are :
A3
B4
C2.5
D5
Answer: Option C
Explanation:Here is no explanation for this answer
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375 / 652
Two stations Ahmedabad and Baroda are 100 kms apart. Navjeevan Express travelling at 50 kmph leaves Ahmedabad at 6.30 AM and Howrah-Ahmedabad Express travelling at 40 kmph leaves Baroda at 7 AM. At 7.30 AM Mr. Shah, the traffic controller, discovers that both the trains are travelling on the same line. How much time is available to avert an accident?
A15 min.
B20 min.
C25 min.
D30 min.
Answer: Option B
Explanation:Let A, B and C be the points for the first train to start, second train to start and the trains to meet respectively. Distance travelled by first till 7:30 = 50 * 1 = 50.
Distance travelled by second till 7:30 = 40 * 0.5 = 20.
Remaining distance = 100 - 50 - 20 = 30.
Time available = [30/(50 + 40)] hrs. = 1/3 hrs. = 20 min.
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376 / 652
The speed of a railway engine is 42 kilometres per hour, with no compartment attached to it. The speed of the engine reduces directly as the square root of the number of compartments attached to it. The speed of the engine is 24 kilometres per hour with 9 compartments attached. Find out the maximum number of compartments with which the engine can still move.
A49
B48
C46
D47
Answer: Option B
Explanation:Here is no explanation for this answer
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377 / 652
Given n = 1 + x and x is a product of four consecutive integers. Then which of the following is true ?
A. n is an odd integer B. n is prime C. n is a perfect square
Aboth A and C are correct
Bboth A and B are correct
Conly A is correct
Donly C is correct
Answer: Option A
Explanation:Take any 4 values, like 2, 3, 4, 5 and get the answer a & c only.
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378 / 652
If |r - 6| = 11and |2q - 12| = 8, then what could be the minimum possible value of q / r ?
A-2/5
B3/14
C11/12
D2/17
Answer: Option A
Explanation:Here is no explanation for this answer
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379 / 652
Ram and Shakil run a race of 2000 meters. First, Ram gives Shakil a start of 200 meters and beats him by one minute. If, Ram gives Shakil a start of 6 minutes Ram is beaten by 1000 meters. Find the time in minutes in which Ram and Shakil can run the races separately.
A12, 18
B10, 12
C11, 18
D8, 10
Answer: Option D
Explanation:Here is no explanation for this answer
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380 / 652
How many of the numbers x (x being integer) with 10 <= x <= 99 are 18 more than the sum of their digits
A9
B12
C18
D10
Answer: Option D
Explanation:Let the number be ab. So given that
=>10a + b = 18 + a + b
=> 9a = 18
=> a = 2
So 20, 21, ... upto 29 there are total 10 numbers possible.
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Here is the list of questions asked in TCS Aptitude Test Question with Answers page 38. 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