Infosys Placement Paper Aptitude - Puzzle -
Puzzle Question # 1-------------Five people A ,B ,C ,D ,E are related to each other.Four of them make one true statement each as follows. (i) B is my father's brother. (ii) E is my mother-in-law.(iii)C is my son-in-law's brother(iv)A is my brother's wife.who made these statemens and what are therelationships among them?( 8 marks)Ans: (i) D(ii) B (iii) E(iv) C___________________________________________________________________________________Question # 2-------------fathers wife is reverse of son`s age . one yea back faters age was twice of son`s age . what`s thefathers current age ans : 73___________________________________________________________________________________Question # 3-------------An escalator is descending at constant speed. A walks down and takes 50 steps to reach thebottom.B runs down and takes 75 steps in the same time as A takes 3 steps. How many steps are visible when the escalator is not operating? Ans: ????___________________________________________________________________________________Question # 4-------------a man asks a weatherman what`s the past five days temp? he says i didn`t remember but i can say theirproduct is 12 and all are diff temperatures. what are the five temperatures?ans: -2,-1,1,2,3___________________________________________________________________________________Question # 5-------------there are 100 men among them 80 have telephones and 70 have cars and some 75 have houses and 85 havemobiles.(data is not exact) . what is the minimum number of men that have all these things.?___________________________________________________________________________________Question # 6-------------there ia truck which should reach some place at 11`o clock , if it travels with 30 mph it reaches ihour before , if it travles with 20 mph it reaches 1 hour late. what is the distance it must be travlled and what is the speed it must maintain to rech at exact time?ans: 120 miles and 24 mph___________________________________________________________________________________Question # 7-------------there are some stones (may be 6231) with eqaul weight, but one of them having more weight thanothers,how many times we need to weigh to find that overweigheted stone?ans: 12 ( as per the number given there, that no ofstones i didn`t remember exactly).___________________________________________________________________________________Question # 8-------------two and half artists with two and half canvases and two in two and half hours cvan paint two and halfdrawings. how many artists are needed for 24 canvases and 24 drawings in 20 hours?
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