Infosys Placement Paper Aptitude - Puzzle -
1.Of 90 students 76 had atleast one course in physics.86 had both How many had only chemistry?(It was solved using venn diagram)
2.One jar A contains half of wine Another jar B which is double in size of A contains 1/4 th of wine Both r flled with water and pour into another jar.Whats the ratio of water and wine in third jar(get the ratio in equal masses ans : 1/4wine 3/4)
3.I had some money, i gave half +1 to one begger, then rnaining half +2 to another , then another half +3 to another begger .Now i have one rp left.How much money i had at first?(ans 42 (1,4+3,10+2,21+1, total 42))
4.Speed of a goods train and passenger train (question in shakundala devi Ans Twice)
5.There are six men.A,B,C,D,E,F Some conditions given find out the men as whoz victim, whoz judge , whoz police officer, whoz witness (try to solve problems like these in grorge summers) 6&7.Three groups(Two question where like this)1.says truth2.Says lie3.says boththree statments given for each identify the group of each
8.There was a rlation likea+b=1100b+c=1300c+d=3300d+e=600e+f=1700f+a=2300Find the values of each.9.age of a and b have sane digits but reversed.c's age is half of the difference between a and b.B's age is 10 time that of c's.Find ages of each (ans a=54,b=45,c=4.5)
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