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Frequently Asked TCS Logical Reasoning - Cryptography Interview Questions with Answers

(#M40165511) TCS QUESTION Keep an EYE

There are 20 persons sitting in a circle. In that, there are
18 men and 2 sisters. How many arrangements are possible,
in which the two sisters are always separated by a man?

Asked In TCS Rohit (8 Months ago)

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(#M40110201) TCS QUESTION Keep an EYE

IF
A+B+C=13
C+D+E=13
E+F+G=13
G+H+I=13
Then the value of E ?

Asked In TCS Anand Mishra (4 years ago)

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(#M40010853) TCS QUESTION probablity Keep an EYE

An article manufactured by a company consists of two parts X and Y. In the process of manufacturing of part X, 9 out 100 parts many be defective. Similarly , 5 out of 100 are likely to be defective in the manufacturer of Y. Calculate the probability that the assembled product will not be defective?
a)0.6485
b)0.6565
c)0.8645
d)none of these

Asked In TCS srivatsa (6 years ago)

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(#M40010314) TCS QUESTION Keep an EYE

2 hours after a freight train leaves Delhi, a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. After travelling 4 hrs the passenger train overtakes the freight train.What was the average speed of the freight train ?

Asked In TCS Devendra Marghade (6 years ago)

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(#M40165891) TCS QUESTION probability Keep an EYE

2/3rd of the balls in a bag are blue, the rest are pink.
if 5/9th of the blue balls and 7/8th of the pink balls are
defective, find the total number of balls in the bag given
that the number of non defective balls is 146.

Asked In TCS purnachandrareddy (6 Months ago)

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(#M40011961) TCS QUESTION Keep an EYE

there are 12 pipes that are connected to a tank.some of them are fill pipes and the others are drain pipes.each of the fill pipes can fill the tank in 8 hours and each of the drain pipes can drain the tank completely in 6hours.if all the pipes are kept open, the empty tank gets filled in 24hours. how many of the 12pipes are fill pipes?

Asked In TCS ratna (6 years ago)

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(#M40001077) TCS QUESTION .... Keep an EYE

5) A sheet of paper has statements numbered from 1 to 70. For all values of n from 1 to 70. Statement n says ' At least n of the statements on this sheet are false. ' Which statements are true and which are false?

a) The even numbered statements are true and the odd numbered are false.
b) The odd numbered statements are true and the even numbered are false.
c) The first 35 statements are true and the last 35 are false.
d) The first 35 statements are false and the last 35 are false.

Solution

This question is based on at least, so truth of any statement (suppose nth) will imply the truth of all (n-1)th, (n-2)th,....... 1st statements, so the only possible answer will be c)
The first 35 statements are true and the last 35 are false.

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Asked In TCS KUMAR SOUVIK MAJI (8 years ago)

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(#M40035245) TCS QUESTION maths Keep an EYE

In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group?

Asked In TCS Subrata Patra (5 years ago)

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(#M40035242) TCS QUESTION maths Keep an EYE

Find the sum and number of divisors of 544 excluding 1 and 544.

Asked In TCS Subrata Patra (5 years ago)

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(#M40024802) TCS QUESTION Keep an EYE

The radii of top and bottom of a bucket are 25cms and 20cms respectively. If the volume of the bucket is 67100 cubic cms, find the height of the bucket.

Asked In TCS (5 years ago)

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