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Test Paper 1 for INFOSYS Interview

Test Paper1 for INFOSYS

1) There are three triplets to a couple: Annie, Fanny and Danny. The couple finds dirty footprints on the floor of kitchen. All of them have same foot size, so they ask them who did it. To which they replied:
Annie: I didn’t do it
Fanny: Danny did it
Danny: Fanny is not lying
Out of three kids, only one of them is saying truth.
Whose footprints were on the floor??? (4 marks)
2) one player scores these much runs less than other, he scores these many more than some other, and so on for a number of players….And were asked to find total runs scored.
Simple Equations lead to individual runs of players and answer was deduced..
It came 338 in our case… (3 marks)
3) A guy has got some x bucks with him….. gives half of it plus 2 to some shop…. Again gives the half of the remaining plus five to some other shop… and finally he has Rs.5 remaining… find x..
ANS: I got it 44..(check it)
4) Trains start simultaneously from station X and station Y and heads towards each other… if 5 hours is the time to reach the other station, how many trains pass by each one…?
ANS: I got it 9 hours (check this too)
5) There are five persons in an office in the post of buyer, clerk, footwalker, manager,cashier. Allen, Benett, Clark, Ewinger, Davis holds the post. Among the 5 two have their lunch time from 11:30 - 12:30 and the rest have it in 12:30 - 1:30
Mrs Allen and Mrs Benett are sisters.

Cashier and clerk share their lunch among themselves.
Two Bachelors share their rooms.
Davis and Ewinger do not face each other from the day Davis reported Ewinger to the Manager when he returned from lunch and found out that Ewinger has already left for lunch before time. --> 8 marks
6) Find the next term of the series:
a) 1,2,3,5,16,__
b) 1,2,3,8,__,224
Ans:
a) 231 (2^2 - 1^2 = 3, 3^2 - 2^2 =5, ......16^2 - 5^2 = 231)
b)27 (2*1+1=3, 3*2+2=8, 8*3+3=27)
7) no divisible by 3,4,5,7 &is less than 500. (question s asked in some other way) (ANS:420) 3marks
8) find a taxi no. which leaves one as remainder with 2,3,4,5,6 and is divisible by 11..
ANS: 121
9) X Y Z X Y Z
+ A B AND - A B
--------------- ---------------
C D E F B G A
Find X,Y,Z,G.
Ans:
9 4 5 9 4 5
+ 7 8 AND - 7 8
--------------- ---------------
1 0 2 3 8 6 7
X=9, Y=4, Z=5, G=6.
10) someones driving a car.. sees a mile stone with a two digit no. on it (km)… after one hour sees a mile stone with the same digits but in reversed order… again after one hour he sees the no. back again wid a 0 in the middle.. find the speed of the car..
ANS: 45km/hr

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