Infosys Puzzles Exam Paper Part - 7 - Infosys Puzzles - 2 PDF Print E-mail
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Infosys Puzzles Exam Paper Part - 7
Infosys Puzzles - 2
Infosys Puzzles - 3
Infosys Puzzles - 4
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304. Ten years before, one is seven years more than the "half the age" of other. Now the bride’s age is 30 years. And also one is nine-tenths the age of other. What is groom’s present age. 


305. Two guys are tossing coin with a bet of $1 for each game. After some tosses., one guy earned $3 while the other won three times. How many games do they play.


306. There is one 8 marks analytical question. Which is the easiest puzzle I had ever seen. There are in total eight members in the group. Five members are to be selected from that group. They had given three conditions. We have to answer four multiple-choice questions which are framed based on the above three conditions. In almost all the questions, answer can be found out by eliminating the answers from the choices.  Going thru the GRE Barrons analytical section will help. Get the gist of it., rather than trying to solve more and more. 


307. There are four friends, who are speaking about the pizza, which one of them ate before. Each one will say one statement and we were given that one of them is lying. We have to find out who ate the pizza. Easy one.., no need to worry abt. this. 


308. All the above nine puzzles are very easy when compared to this one. This is difficult not because of logic but because of its grammar. The sentence structure is too complicate. This question reminded me of puzzle 127 of sakunthala devi’s Puzzles to Puzzle U. 


309. there is a 1 km long wire places on x poles . if the no of poles  is reduced by 1 then he distance of wire between each poles increases 1 2/ many poles are there initially.\


310. clark ,jones,mason, smith are 4 ppl. there are 4 professions druggists,grocer,butcher,policeman.find out who is who?

 1)clark and jones are neighbours and they drive each other to work.

2)jones earns more than mason

3) the police man earns more than the druggists and i "think" the grocer.

4) the policeman does not have a druggists as a neighbour.

5) the butcher walks to work

6)policeman does not meet the grocer until he arrests him for commiting an offence.


311.  A and B write a test

              A  says " i got a third of the ques. wrong"

              B  says " i got 5 wrong"

             together they got three quarters of the questions correct.

             how many did a get correct. (5 m)


312. If a die has 1,6 and 3,4 and  2,5  opposite each other how many such dies can be made.


313. There are three boxes , In one box Two white balls , In two box 2 black balls  In three box 1 white &1 black The labels on the boxes are not correct. Then you have to open   one box and to find the colour of the balls in all boxes.


Solution: Open the box labeled black& white If white balls are there then the box labeled with white balls

contain black balls and labeled with black balls contain one black and one white ball and vice versa 

if two black balls are there.


314. There are  containing 5 , 7 , 14 , 16  ,  18  ,  29 balls of either red or blue in colour.  Some  boxes  contain  only red balls and others contain only blue . One sales man  sold  one  box out of them and then he says " I have the same number of  red balls left out  as that of blue ". Which box is the one he solds out  ?


Ans : total no of balls  =  89 and (89-29 /2 = 60/2 = 30  and also 14 + 16 = 5 + 7 + 18 = 30


315. A  chain  is  broken  into  three  pieces  of  equal  lengths containing 3 links each. It is taken to a blacksmith to join into a single continuous one . How many links are to be  opened  to make it ?  


 Ans : 2.


316. When the actual time pass 1hr wall clock is 10 min behind it when 1 hr is shown by wall clock, table clock shows 10 min ahead of it when table clock shows 1 hr the alarm clock goes 5min behind it, when alarm clock goes 1 hr wrist watch is 5 min ahead of it assuming that all clocks are correct with actual time at 12 noon what will be time shown by wrist watch after 6 hr


ans---5:47:32.5  (n X 60 )50/60 X 70/60 X 55/60 X 65/60


317. complete the following

     a.  $   * *    $   @   *   ?     ?

          #   @     @   #   #   $    ?     ?         some what similar like this...but not clear.

     b. 1 , 3 , 7 , 13 , 21 , __ , 43   

     c. 1, 3, 9, __ , 16900


Ans : 31


318. A girl took part in a (some) game with many others in a circular closed circuit. After pedaling for several minutes, he found that 1/3th of the cyclists ahead of her and 3/4th of the cyclists behind him together formed the total no. of participants. How many were participating in the race?


319. OF all pets i have, except 2 all are rabbits

        OF all pets i have, except 2 all are fish

        OF all pets i have, except 2 all are cats

How many rabbits, fish and cats are there?