Puzzles and mind games

Puzzle 1. What is the height of room if after entering the room with a watch ur headstrikes a hanging bulb?

Ans: Oscillate the hanging bulb. Calculate the time period for one completeoscillation by Simple Harmonic Motion (SHM) of the handing bulb. Put it in theformula T=2 * 3.14 * (L/G)^1/2L will be the length of the hanging thread.Add the L with ur height to get the height of the room.ORAns: Drop it from the room and find the time at which it strikes the floor. Usingphysics formula s = (at^2)/2 (IM NOT SURE ABOUT THIS ONE)

Puzzle 2. How will you measure height of building when you are at the top of the building?And if you have stone with you.

Ans: Drop the stone and find the time taken for the stone to reach the ground. findheight using the formulas = a + gt ( s = height, a= initial velocity=0, g=9.8m/s, t = time taken)

Puzzle  3. You are given a cake; one of its corner is broken. How will u cut the rest into Two equal parts?

Ans: Slice the cake


Puzzle 4. 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(15+30=45)

Puzzle 5. You r given a thermometer. What can u do by this without measuring thetemperature?

Ans: if u put thermometer into a tree it won’t grow anymore, will just die off



Puzzle 16.5 swimmers A, B, C, E, F and many conditions of their positions like there are Two b/w A & F, B doesn't win etc the question was to find who was b/w like E & D?

Ans: ?

Puzzle 17. in a race u drove 1st lap with 40kmph and in the second lap at what speed umust drive so that ur average speed must be 80kmph.
Ans: its impossible! if u drove the first lap in 40 kmph, its impossible that theaverage speed of both the laps is 80kmph.for eg. consider one lap distance = 80km.time req. to cover 1 lap = 80km/40kmph = 2 hrs.if the avg. speed is 80kmph, then the total time would have taken =




Puzzle  6. How will you recognize the magnet & magnetic material & non-magneticmaterial?

Ans: Drag one piece of material over another. There is no attractive force in themiddle portion of the magnet.ORGet a piece of thread and tie up with the one bar and check for poles. If it iron barthen it moves freely and if it is magnetic bar then it fix in one direction according topoles.

Puzzle 7. If one tyre of a car suddenly gets stolen.... and after sometime u find the tyrewithout the screws how will u make ur journey complete?

Ans: Open 3 screws, 1 from each tyre and fix the tyre.

Puzzle 14. Can u make 120 with 5 zeros?

Ans: Factorial (factorial (0)+factorial (0)+factorial (0)+factorial (0)+factorial (0)) =120

Puzzle 15.There are three people A, B, C. Liars are of same type and Truth speaking peopleare of same type. Find out who is speaking truth and who is speaking false from thefollowing statements:a) A says: B is a liar.b) B says: A and C are of same type.Ans: lets assume A is speaking truth. It means B is a liar then it means A and C arenot of same type.


Puzzle 8. How can u measure a room height using a thermometer?
Ans: temp varies with height. but its dependent on various other factors likehumidity, wind etc.


Puzzle 10. Color of bear.... if it falls from 1m height in 1s.

Ans: We get 'g' perfect 10 which is only in poles...hence polar bear...color White


Puzzle 4. How it is possible to place four points that are equidistance from each other?ORU r a landscape designer and your boss asked u to design a landscape suchthat 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 theshape of a pyramid then its possible

Puzzle 12. How wud u catch and receive a ball in same direction? (Dropping is from northAnd receiving from bottom not accepted, as it is 2 directions)

Ans: ?

13. 25 statements given. Some tell truth, some false and some alternators. Find outthe true statements.

Ans: ?