Placement Papers: Infosys Paper 207

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Puzzles

  1. A farmer sold two of his cows for 210/-. He sold one cow at a profit of 10% and other for a loss of 10% . Totally he gained 5% on selling both the cows. What is the original cost of each cow? 150 & 50
  2. A train which travels at a uniform speed due to some mechanical fault after traveling for an hour goes at th of the original speed and reaches the destination 2 hrs late. If the fault had occurred after traveling another 50 miles the train would have reached 40 min earlier. What is distance between the two stations? 300
  3. Three friends A, B, C. Each have a hat and a bicycle. But every one wears hat of one friend and rides bicycle of another. If one wears C՚s hat and rides B՚s cycle. Who will ride A՚s cycle? c
  4. Fill the series
    1. 3, 6, 13, 26,33, 66, ________73,146 Jobduniya. Com
    2. 364, 361, 19, 16,4, 1, ________1,2
  5. Socks of two colours of same no in a box. ________
  6. Four frns belonging to four different families preparing fruit salads with fruits apple, grapes, bananas and cherries. Each uses only 3 fruits and no two uses same combn. Four questions were asked based on above data.
  7. Husband says to wife if we sell 75 of our chickens the feed will be there for xtra 20 days and if we buy 100 chickens xtra the feed will be over 15 days sooner. Then find the no of chickens they have?
  8. A problem on watch, husband watch gains 1min every hr and wife watch looses 2min/hr By seeing the watch running slow they almost missed an function by visiting function 1hr late. Then when was both the watches set to correct time?
  9. Some condns given find the day of the week. Only 1 condn is true out of 6 given. We have to find the correct condn also. Jobduniya. Com
  10. First names of four friends given. One guy cuts 2feet logs, other 1 logs and the other 1 feet

logs to feet. No

of pieces cut by each guy (second names given) were given some 26,27, 28. First name of the guy

who broke 27 logs of feet each has to be found.