# Placement Questions & Answers :: TCS

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**TCS Practice Q&A**

31. In a certain code, '37' means 'which class' and '583' means 'caste and class'.What is the code for 'caste'?

**Answer:**** Option E **

**Explanation:**

37....=> which class

583....=>caste and class

in the above 2 statements CLASS is common=>code of class=3 then code of CASTE may be either 5 or 8

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32. If x2 < 1/100 and x< 0, What is the tightest range in which x can lie?

**Answer:**** Option A **

**Explanation:**

Given x2 < 1/100

so, x < 1/10 or x > - 1/10 first statement

also, as per question x < 0 second statement

so, intersection of both statement will be

- 1/10 < x < 0

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33. How many 6 digit telephone numbers can be formed if each number starts with 35 and no digit appears more than once?

**Answer:**** Option D **

**Explanation:**

6 digits telephone number can be formed by 10 digits (0,1,2...9)

As Given, each number start with 35.

So we have 8 digits remaining and 4 place.

So, 4 places can be formed in 8*7*6*5=1680.

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34. The least number which when divided by 48, 60, 72, 108 and 140 leaves 38, 50, 62, 98 and 130 as remainders respectively, is:

**Answer:**** Option B **

**Explanation:**

(48 - 38 ) = ( 60 - 50 ) = ( 72 - 62 ) = ( 108 - 98 ) = ( 140 - 130 ) = 10 in every case

Leat number will be LCM of ( 48, 60, 72, 108, 140 ) - 10

LCM = 15120

So, required number = 15120 - 10 = 15110

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35. 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?

**Answer:**** Option B **

**Explanation:**

1st rest day on 9th day ,

so 12th rest day on 108th day... 1wk=7days.

108/7 reminder=3. 3rd day is rest day.

work started on monday so 3rd day is wed.

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36. A turtle is crossing a field. What is the total distance (in meters) passed by turtle? Consider the following two statements (X) The average speed of the turtle is 2 meters per minute (Y) Had the turtle walked 1 meter per minute faster than his average speed it would have finished 40 minutes earlier

**Answer:**** Option B **

**Explanation:**

Here is no explanation for this answer

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37. Aniket and kumari are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.What is the probability that the other kid is also a girl?

**Answer:**** Option B **

**Explanation:**

Here is no explanation for this answer

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38. A girl rode her bicycle from home to school, a distance of 15 miles, at an average speed of 15 miles per hour. She returned home from school by walking at an average speed of 5 miles per hour. What was her average speed for the round trip if she took the same route in both directions?

**Answer:**** Option C **

**Explanation:**

Avg speed=(total disance)/(total time)

Total distance= 15+15 = 30 miles.

Total time= 1+3=4 hrs.

So average Spedd = 30/4 = 7.5 miles/hr.

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39. If log 0.318=0.3364 and log 0.317=0.33320 then log 0.319 =?

**Answer:**** Option C **

**Explanation:**

log 0.319=log0.318+(log0.318-log0.317) = 0.3396

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40. What is the largest number that will divide 90207, 232585 and 127986 without leaving a remainder?

**Answer:**** Option A **

**Explanation:**

Find the HCF of given numbers.

90207=3*3*3*13*257

127986=2*3*83*257

232585=5*181*257

HCF is 257.

So larget number without leaving a remainder is 257

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Here is the list of questions asked in Online Aptitude Test for TCS TCS online arithmetic test. 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