Infosys Interview Questions

Showing Questions 1 - 20 of 212 Questions
First | Prev | | Next | Last Page
Sort by: 

10 digit number puzzle

A 10 digit number has it first digit equals to the numbers of 1's, second digit equals to the numbers of 2's, 3rd digit equals to the numbers of 3's .4th equals number of 4’s…till 9th digit equals to the numbers of 9's and 10th digit equals to the number of 0's. What is the number?

Asked By: riaz | Asked On: May 22nd, 2006

Answered by: Gowda Shivamurthy on: Oct 25th, 2014


Answered by: CA Alpesh Tated on: Apr 19th, 2013


6 answers

2 4 16 512 .... What is the next term in the series?

Asked By: sharad_vasisht | Asked On: Dec 4th, 2005

Answered by: Rameshwar sontakke on: Sep 18th, 2014


Answered by: Prashant Nigam on: Sep 8th, 2014

2^21 = 2097152. Motzkin number

8 answers

Two trains start at same time frm bangalore & mysore. They move in opposite direction reaching the destination at one hour & four hours respct after passing one another. How much faster is one train than...

Asked By: riyazudeen | Asked On: May 25th, 2006

Answered by: abu4003 on: Sep 19th, 2014

What if the trains moving in same direction?

Answered by: sreedhar_28 on: Oct 12th, 2008

let s1-peed of train from bangalore to mysore(train1)s2- speed of train from mysore to bangalore(train2)and x be the distance from B to Mand a be the distance from bangalore till meet point(i.e.)...

5 answers

There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small all. The outer small ball rotates in anticlockwise direction circumferencically...

Asked By: Micky | Asked On: Mar 11th, 2006

Answered by: Sasanala on: Sep 7th, 2014

Its 2rev/sec dude.. not 64rev/sec.. use common sense.. If the small one rotates at the rate = 16rpm then larger one will rotate with rate less than 16rpm.. Here distance travelled by smaller one in ...

Answered by: nitish on: Aug 21st, 2012

i thing its 2rev/sec. smaller ball has the radius R. bigger ball has the radius 8R. if smaller ball travel distance=16R(as it makes 16 rev per sec),the bigger one has to make(8R+8R=16R). therefore,th...

12 answers

There are two towers a and b. Their heights are 200ft and 150ft respectively and the foot of the towers are 250ft apart. Two birds on top of each tower fly down with the same speed and meet at the same...

Asked By: Divya | Asked On: Jul 9th, 2006

Answered by: Megha Agarwal on: Jul 25th, 2014

Speed and time taken by both the birds are same, so distance(d) will be definitely the same. Let the distance between A and grain be x. By Pythagoras theorem, d^2= 200^2 + x^2 and d^2= 150^2 + (250-x)...

Answered by: Rahul on: Jan 25th, 2013

90 ft

12 answers

2 batsman are on 94. 2 balls remaining and 7 runs to win. Both batsman make 100 & win the match.

Star Read Best Answer

Asked By: Nag | Asked On: Apr 3rd, 2007

Answered by: nasim akhtar on: Jul 19th, 2014

1st ball four.. 2nd ball hit 3 run but 1 batsman didn't touch the crease so batsman will get 2 run &(get his century) instead of 3 because of short run rule.. But they will change the strike 3rd n ...

Answered by: shoebshakir on: Aug 24th, 2010

First batsman hit six, so he scored 100. Then he was retired hurt due to strain in muscle & replaced by another batsman who retired earlier on 94. So at last ball he also hit six & scored 100. The...

18 answers

We have two buckets, 1 of capacity 3liter and another of 5 liter.We have 5 liters of water.So how will we make combinations such that 1 bucket will have exactly 4 liters of water?

Star Read Best Answer

Asked By: sillysamal | Asked On: Feb 17th, 2007

Answered by: Vijay Kadam on: Sep 22nd, 2013

First of all fill 3 lit bucket, pour it in 5 lit bucket, again fill 3 lit bucket, pour it in 5 lit bucket.. 5 lit bucket will get filled with 2 lit of water, 1 liter water remain in 3 lit bucket... re...

Answered by: sugins on: Apr 1st, 2012

1.Keep the 5lit bucket full and 3lit bucket empty. 2. Now pour water into the 3 lit bucket from the 5lit bucket and full it. 3.Now we will hav remaining 2lit of water in 5lit bucket and 3lit of water...

18 answers

Infosys puzzles

1) there are 4 links in a golden chain.One has 5 links,other has 4 links and other 3 linkks.Goldsmith takes 50.00paise to open the link and 1.00/- to attach the link.What is least cost to bake whole bracelet?2)a square is of side 1 km.A man travels first 2 sides with 30mph and third side with 60kmph.What...

Asked By: shilpams88 | Asked On: Feb 23rd, 2006

Answered by: Swaraj Ranjan Behera on: Mar 21st, 2013

Let,the shape of the bracelet is closed circle.[It is supposed to assume] gold chain with 5 links: A_ _ _ _ _B gold chain with 4 links: C_ _ _ _D gold chain with 3 links: E_ _ _F gold chain with 3 lin...

Answered by: cuteshanthim on: Jun 15th, 2008

Answer : Rs.611

3 answers

) a 10 digit number has it first digit equals to the numbers of 1's, second digit equals to the numbers of 2's, 3rd digit equals to the numbers of 3's .4th equals number of 4’s…till 9th digit equals...

Asked By: riyazudeen | Asked On: May 25th, 2006

Answered by: on: Sep 12th, 2012

9th digit equals to the num of 10s

Answered by: PRAG on: Aug 28th, 2012

2100010006 2---shows that two 1s in the ans 1---shows that one 2 in ans 0---shows no 3 in the ans 0---shows no 4 in the ans 0---shows no 5 in the ans 1---shows one 6 in the ans 0---shows no 7 in the ...

2 answers

. Two trains of length 1/6 miles are moving towardeach other with a speed of 60 miles per hour.Aproaching toward each other in how much timethey will cover each other.Ans.10 secplease tell the approach...

Asked By: kusuma_b | Asked On: Sep 14th, 2006

Answered by: atreya on: Aug 28th, 2012

total dist travelled=(1/6+1/6)=1/3miles relative speed=(60+60)=120miles per hour therefore, time=dist/speed =(1/3)/120=(1/360)hours=10secs(1hr=3600secs).

Answered by: tmhasan7 on: Sep 25th, 2006

1. Its obvious that since the trains travel towards each other the speed is 60+60 miles/hr2. The two trains will take 2/6 miles to cross themselves, since the length of the train is 1/6 miles.3. If it...

2 answers

There is a staircase having n steps (odd or even). A person standing at the base can take one or two-steps at a time. My query is in how many ways can the stairs can be climbed?

Asked By: Interview Candidate | Asked On: Sep 9th, 2005

Answered by: sanjay_sharma on: Aug 23rd, 2012

Its not the n+1th fibonacci no., the ans is nth fibanacci no. for eg:- if no of steps is 3 then n=3 if no of steps is 4 then n=5 if no of steps is 5 then n=8 for 6 n=13 for 7 n=21 for 8 n=34 and so o...

Answered by: Aravindan on: Mar 27th, 2012

Ans is Fibonacci series.... if its n steps., then its n+1th fibo no.

16 answers

2 batsmen are on 94. 2 balls remaining and 7 runs to win. And both the batsmen make century and win match. This question asked ny infosys.Plz reply at once

Asked By: Ashok | Asked On: Mar 16th, 2006

Answered by: ritik ranjan yadav on: Jul 5th, 2012

Let A is on strike side and hits the 1st ball and after completing his 2 runs he runs for 3rd which goes boundary at the same time B comes on strike side but A got 2+4=6 and complete his century, no...

Answered by: sreejith on: Apr 3rd, 2012

First batsman hits and runs two but he didn't touch the non stickers crease line so he got only 1 run. On the same time when he is running the fielder throw the ball and wicket keeper miss the ball an...

14 answers

Given a rectangular cake with a rectangular piece removed (any size or orientation), how would you cut the remainder of the cake into two equal halves with one straight cut of a knife? To make it tougher,...

Asked By: Interview Candidate | Asked On: May 31st, 2005

Answered by: Jay.K on: Jul 3rd, 2012

Cut along the straight line connecting the old & the new centre of gravitys of the cake.

Answered by: chaitanya on: Jan 4th, 2012

if suppose the cake is a mobile .... i will cut the cake like removing back pannel plate .....for that only you can get it equal

8 answers

There was a robbery happened at a bank and 3 suspects taken into custody. Their statementsa: I am innocentb: I am innocentc: b did it.I didn\\\'t remember names, in these three one is lying and we have...

Asked By: Arun negi | Asked On: Jan 26th, 2006

Answered by: shivam singh on: Jun 20th, 2012

c did it as he was there 2 see the that how he knows that b has done in ...all the possibility are showing that c did it..

Answered by: Tushar Dalakoti on: Jun 4th, 2012

b or c, a is on the safer side

5 answers

I bought 2 nursery drapes for less than 10 $ . If I bought as many yards of each as there were pieces per yard in cents . I paid 215 cents more for one of them . Then how many yards of each did I buy ?...

Asked By: david | Asked On: Aug 5th, 2006

Answered by: Mark Haynes on: Apr 23rd, 2012

1) "I bought 2 nursery drapes for less than $10." $10 = ¢1000 ¢999 < ¢10002) "If i bought as many yards of each as there were pieces per yard in cents."1 yard = ¢13) "I paid 215 cents more for one of...

1 answer

Ramesh sit around a round table with some other men. He has one rupee more than his right person and this person in turn has 1 rupee more than the person to his right and so on, ramesh decided to give...

Asked By: Micky | Asked On: Mar 11th, 2006

Answered by: Suraj Grewal on: Feb 11th, 2012

There are 3 persons sitting with the right hand of Ramesh assume Ramesh=4 a=3 b=2 c=1 Ramesh gives 1 rs/- to a he has 3 left now a has 4 and gives 2 to b remaining a has 2 now b has 4 and gives 3 to c...

Answered by: gaurav4067 on: Dec 7th, 2010

Here, consider there are n number of persons sitting on the table. Let Ramesh has Rs. x. Then the person to his right will have (x-1) then to his right will have (x-2) and so on till the person to...

3 answers

6'o clock ticks 6 times

At 6'o clock, the clock ticks 6 times. The time between first and last ticks was 30sec. How much time it takes at 12'o clock?

Asked By: sudarshan2u | Asked On: Aug 25th, 2010

Answered by: onika on: Feb 11th, 2012

1 minute

Answered by: arunkarthic on: Jan 31st, 2012

1-2-3-4-5-6 there are 5 intervals and 30 sec is given in question... so 6 o clock 5*6=30sec 7 o clock 6*6=36sec . . . 11 o clock 10*6=60sec 12 o clock 11*6=66sec it will take.....

7 answers

A clock takes 7 sec to strike 7how long it will take to strike 10

Asked By: Pooja Gupta84 | Asked On: Sep 15th, 2006

Answered by: arunkarthic on: Jan 31st, 2012

10.5 seconds

Answered by: Venugopal668 on: Nov 27th, 2010

so after 10 sec
so 10*11/2
it takes 55 secs

4 answers

Find ages

A fathers age is reverse of sons age. One year back fathers age was twice of sons age. What is the fathers current age?

Asked By: sheetal singh | Asked On: Nov 29th, 2009

Answered by: Gopal27 on: Jan 28th, 2012

Father's current age is 73...

Answered by: shraisy on: Sep 25th, 2011

so in the end is it always going to be a hit and trial ?

5 answers

Weight of heavy ball

There are 6561 balls out of them 1 is heavy. Find the min. No. Of times the balls have to be weighed for finding out the heavy ball.

Asked By: sudarshan2u | Asked On: Aug 25th, 2010

Answered by: Samueal on: Jan 26th, 2012

8 times is the right answer.

Answered by: sachin on: Oct 10th, 2011

6561/9=729 729/3=243 243/9=27 27/9=3 3/3=1

10 answers

First | Prev | | Next | Last Page


Give your answer:

If you think the above answer is not correct, Please select a reason and add your answer below.



twitter fb Linkedin GPlus RSS


Interview Question

 Ask Interview Question?


Latest Questions

Interview & Career Tips

Get invaluable Interview and Career Tips delivered directly to your inbox. Get your news alert set up today, Once you confirm your Email subscription, you will be able to download Job Inteview Questions Ebook . Please contact me if you there is any issue with the download.