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A C-pole of 200 ft is 250 ft from the D-pole which is 150 ft high.. Two pigeons are sitting at the top of each poles (one in one pole).Both pigeon fly towards a grain which is present between the 2poles at the same speed.What is the distance between the C-pole and the grain?
Himanshu
- Dec 5th, 2005
Ans. 90ft
Sachin_kl
- Dec 1st, 2005
Answer must be 90 Ft.Lets say grain is x ft away from C. As both pegions have to travel same distance we can use pythagorus theorem to solve it.200*200 + x*x = 150*150 + (250-x)*(250-x)x=90
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Bulbs and switches Puzzle
3 bulbs in the 3rd floor and switches in the 1st floor. You are in in the 1st floor. You have to know which switch belongs 2 which bulb.its not in order.u can go up once an u can switch on once. how will you do it?
kiran4
- Nov 30th, 2005
First put ON any one of the switches keep it for some time and then switch it OFF.Afterwards put ON another switch then go to third floor u will see one light is one that is u r currently switche...
kiran
- Nov 30th, 2005
First ON any one of the switches keep it for some time and then switch OFF afterwards ON another switch from the remaining two then go to third floor u will see one light is ON tha...
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Unsolved paradox
Globally, electromagnetic Energy-thermal-flows from a hot body to a cool body/environment as per the Laws of thermodynamics. Then how is it that there is no Outflow of em energy from the earth out despite a well defined down Temperature gradient from the core to the surface and out? as per geophysicists, the earth maintains a strict Radiation balance -- i.e., the earth neither gains nor loses any em...
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You and i each have two prime numbers on our foreheads And are told that any three of them form the sides of a triangle With prime perimeter. we take turns stating whether we can deduce the Numbers on our own foreheads. You see 13 and 17 on my forehead and each of us has stated "don't know" on each of our first two turns. It is now Your third turn. what are the numbers on your forehead?
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Here is a seemingly simple physics problem but is a hard nut To crack. there is a balloon with mass m attached to it. It Is descending with an acceleration a. How much amount of mass should Be removed from the balloon so that it rises with an Acceleration a assuming that there is negligible change in the volume of the Balloon when the mass is removed?
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Strings of unequal lengths Puzzle
You have these two strings of unequal lengths. They both take exactly one hour to burn from one end to the other when Lighted at any end. But they do not burn at a uniform rate; some sections Burning faster than others and some slower, in a random fashion, which Cannot be predetermined. Any point on either of the strings, However, burns at the same rate forward or backward, whichever end is Lighted....
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