• Placement Questions

Frequently Asked Interview Questions and Answers

(#M40000985) TCS QUESTION Keep an EYE

A hollow cube of size 5cm is taken,with a thickness of 1cm.It is made of smaller cubes of size 1cm.if 4 faces of the outer surface of the cube are painted,totally how many faces of the smaller cubes remain unpainted?
(A)500 (B)800 (C)488 (D)900

Asked In TCS Ragini (14 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (0)   (1) Submit Your Solution

(#M40000782) INFOSYS QUESTION Keep an EYE

Mammu got bored playing with marbles and arranged them in an order such
that each row had one less than the row below.If she had 55 marbles how many
were on the bottom row?

Asked In Infosys Yashar (14 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (2)   (0) Submit Your Solution Logical Sequences

(#M40000781) INFOSYS QUESTION Keep an EYE

Uncle H and aunt C go to the bazaar.Uncle H purchases a hat and suit for
Rs.15.Aunt C's hat cost the same as uncle H's suit.For the remaining amount
she purchased a dress and commented that her dress costed Rs 1 less than his
suit.Further she added that if her hat had cost 1 and a 1/2 times his hat's
cost then both of them would have spent equally.Uncle H asked "Then what
would've my hat costed?

Asked In Infosys Yashar (14 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (1)   (0) Submit Your Solution

(#M40000780) INFOSYS QUESTION Keep an EYE

Two ships start from the opposite banks of river perpendicular to banks. Both are going at constant speed. One is faster than the other. They meet at 720 m from nearest bank. Then they go ahead upto the other end of banks and wait there for 10 minutes. Then they again comeback and meet 400m farfrom the other bank. find out what is the width of river

Asked In Infosys Yashar (14 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (1)   (1) Submit Your Solution

(#M40000779) INFOSYS QUESTION Keep an EYE

Two persons A and B met. A told B " myself and my 3 cousins have ages which are prime numbers and sum of our ages is 50. If you know my age then you can tell their ages. what are the ages of cousins?

Asked In Infosys Yashar (14 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution

(#M40000963) TCS QUESTION Keep an EYE

there are two boxex, one containing 39 red balls and other 29 green balls. yao are allowed to move the balls betn the booxes so that you choose a box randomly and a ball at random from the choosen box, the probability of getting a red ball is maximized. the maximum probability is
a. .60
b. .50
c. .80
d. .30

Asked In TCS oindrila majumder (14 years ago)

Unsolved Read Solution (5)

Is this Puzzle helpful?   (3)   (1) Submit Your Solution

(#M40000935) TCS QUESTION Keep an EYE

. A horse starts to chase a dog that has left the stable two hours earlier. The horse runs at an average speed of 2km/hr. It crosses a 10-metre road, two small ponds 3 metres deep, and finally runs along two small streets of 200 metres long. After traveling 6 hrs, 2hrs after sunset, it catches the dog. Compute the speed of the dog in Km/hr?

(a) 20 (b) 22 (c) 16.5 (d) 18.5

Asked In TCS RAVI (14 years ago)

Unsolved Read Solution (6)

Is this Puzzle helpful?   (6)   (2) Submit Your Solution

(#M40000926) TCS QUESTION Keep an EYE

there are 40 barreals are there and one is poisoned. If a drop is consumed he will die in 14 hrs then how many least mice are required to find the poisoned barreal?

Asked In TCS purba das (14 years ago)

Unsolved Read Solution (8)

Is this Puzzle helpful?   (12)   (1) Submit Your Solution

(#M40000794) INFOSYS QUESTION Keep an EYE

Distance between two stations is 5 miles. Every one hour, A train starts from station-A to station-B.
At same time another train starts from station-B. Speed is same for both the trains.The same process continues.(i.e, every one hour a train starts at both ends) How many trains a train can met when it reaches it destination?

Asked In Infosys Yashar (14 years ago)

Unsolved Read Solution (3)

Is this Puzzle helpful?   (7)   (2) Submit Your Solution

(#M40000791) INFOSYS QUESTION Keep an EYE

there are three types of birds A,B & C . A costs 5pounds, B costs 3 Pounds and C costs 1/3 of a pound.
find the no. of A,B &C such that u will get 100 birds for 100 pounds

Asked In Infosys Yashar (14 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (1)   (1) Submit Your Solution General Mental Ability