Aptitude Questions of Infosys 1

1. You are given two candles of equal size, which can burn 1 hour each. You have
to measure 90 minutes with these candles. (There is no scale or clock). Also u r
given a lighter.
Ans: 1. First light up the two ends of the 1st candle. When it will burn out light up
one end of the second candle.   (30+60=90)
2. Try the similar problem to measure 45 minutes.
Ans: First light-up the two ends of the 1st candle and one end of the 2nd candle.
When the 1st candle will burn out ,then light up the both ends of the 2nd  candle
3. You r given a thermometer. What can u do by this without measuring the
Ans: if u put thermometer into a tree it won’t grow anymore, will just die off
4. How it is possible to place four points that are equidistance from each other?
U r a landscape designer and your boss asked u to design a landscape such
that you should place 4 trees equidistance from each other.
(Distance from each tree to the other must be same)
Ans: Only 3 points can be equidistant from each other. But if u place points in the
shape of a pyramid then its possible

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