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b: "c is in third place"
c: "E is behind A"
d: "B is in first place"
e: "D is not the first"
The persons who have won gold and silver have lied find the positions in order(format:
name of first, name of second,..)">There are 5 persons who have won top five places in an event in Olympics . one ofthem asks all the five regarding thier positions, they reply asa: "i am not the last"b: "c is in third place"c: "E is behind A"d: "B is in first place"e: "D is not the first"The persons who have won gold and silver have lied find the positions in order(format:name of first, name of second,..)
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Hour and minutes hand were meeting after every 65 minutes. Does the clock lose or gain the time and by what amount it will gain or lose per hour?
shashank_tangwan
- Mar 1st, 2007
CORRECTION :There is a discrepancy of 5/11 mins in overlapping and it gains by this much time in 65 mins (Not 60 mins).................. Which means that :correct clock takes 65 & 5/11 ...
Annapurna Samanta
- Sep 15th, 2006
in a correct clock55 minutes are gained in 60 min60 min are gained in 60/55*60 min = 65 5/11 minbut now they got together in 65 minso gain in 65 min= (65 5/11 - 65) = 5/11 min
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There is A one-way road one km long with two lanes, each lane five meters broad. Cars Cruise at 60 kmph on each lane. Distance between front bumpers of any two Successive cars is 10 meters which includes length of one car plus the clear Between the two cars. question (a): how many cars exit the road in one hour (your brilliant readers will find this childs play). then one morning mtnl digs a trench across one Lane at location half km of road length. The trench is 5m x 5m which makes a Single lane road for 10 meters (2.5 meters on either side of the trench for Maneuvering). As the driving discipline and etiquette of indian rivers is World famous they allow five cars from one lane and then five cars from The other lane to enter the single lane portion of the road. This Involves deceleration, stoppage and acceleration of cars. Assume optimum Points of stoppage and from the cruising speed. Question (b): how many cars Exit the road in one hour?
shashank_tangwan
- Mar 31st, 2007
It' surprising that no one tried this Qn. for such long.... anyways , here's what I think of it :(a) Since the velocity of the car is given as 60 kmph or 50/3 metres /sec , h...
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A cowboy is 5 kilometers south of a stream which flows due east. He is also 8 kilometers west and 6 kilometers north of his cabin. He wishes to water his horse at the stream and return home. What Is the shortest distance he can travel and accomplish this?
drexeldave
- Apr 12th, 2007
He goes 5km to the stream.Now he is 5+6 km North of his cabin and 8 km east.apply pyth -> sqrt(11^2+8^2)He travels sqrt(185)+5 ~= 18.6
abhishek
- Oct 11th, 2005
so cow boy is standing 5 km south of stream ..and he is 8 km west and 6 km south from cabin so applying pythagoras theorm shortest distance is sqrt 8^2+6^2=10and 5 km from riverso total he need to travel 10+5=15 km
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Q. A says if 75 chickens are sold from what we have now the feed will last for extra 20 days. But B says if we buy additional 100 chickens then feed will get over 15 days earlier. Find the No. of chickens both are having now?Q. A lady goes for shopping she bought some shoestrings, 4 timmes the no.of shoestrings, she bought pins & 8 times handkerchiefs. she paid each item with their count as each piece\\\'s cost. she totally spent 3.24ruphow many handkerchiefs did she buy?Q. A man was on his way to a marriage in a car with a const. speed. After 2 hrs one of the tyre is punctured & it took 10min. to replace it. After that they travelled with a speed of 30 miles per hr. & reached the marriage 30 min. late to the scheduled time. The driver told that they would be laTE BY 15 MIn.only if the 10 min. was not waste, Find the distance b/n the 2 towns?
kalyan
- Mar 31st, 2006
The ans for this q is there are 300 chickens and 60 days. by solving the eqs xy=(x-75)*(y+20)xy=(x+!00)*(y-15)let x be the no of chickens and the days be y
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Take a lighted agarbatti (joss stick) and make sure of two Things: (1) the stream of smoke is clearly visible and (2) there is no Draught to disturb it. Now give gentle tugs of the wrist. At a certain Optimal amount of such tugging you can see rings of smoke forming in the Emanating chaotic smoke stream. I dont know if this is a known phenomenon or Not. If not, let the rings be known as owaiss rings. The question is, What causes these rings?
hop2semar
- Jun 16th, 2007
it is similar to vortex formed in still water when you put your finger in it. from the point you touch the water circular rings will be formed in water(i.e circular waves) . when a still air is given ...
krishna
- Apr 8th, 2006
When we put the finger in the flow of smoke.due the interference phenomina the rings will form.example take hole in the house when the light is entered then rings will form on floor.like this the rings will form when we put finger in smoke.
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Using only the numerical buttons of a calculator bring a total of 1000 by pressing the following: plus (+) sign: 24 times; 0 (zero): eight times; 1, 4, 5,6, 7, 8 and 9: four times; 2 and 3: six times.
ez3736
- Jul 4th, 2007
First how to go about this type of question:We have to press (+) sign for 24 times and we are not allowed to press (=) sign, so we have to make 1000 by adding 24 numbers. Divide 1000 by 24, you ...
kk
- Sep 12th, 2005
@# 4fd @E#
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Here’s a puzzle my great grand-daddy told me in my Dreams. "son, when i was civil engineer there was once A great embarrassment. Once across two points in the City there was a huge traffic of people but no Direct road. They had to travel great lengths in order to reach Their destination.the governor ordered me to build a road across Those two points. It was completed in five years. But Horrors of horrors, as soon asteroid was built, it was No longer required! The very construction of the road had Rendered it useless and unessential. And for that the new governor castigated me and tarnished my good Name. So much so that my spirit still lingers in these Parts. Oh if someone could tell me a reason for my Undoing, i might rest in peace."
resurgam
- Nov 15th, 2007
The two points are "birth" and "death. You do not want a directly connecting road.
jus
- Sep 28th, 2005
Ya,it is possible for any one to build a bridge but time is a factor but of all you need to know some fact of to it
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(x to power 1/3) - (x to power 1/9)=60 We have to find out the value of x ??
ragav
- Dec 12th, 2007
Let x to power 1/9 = tthen, t^3- t = 60t^3 >> t (except for t=1)therefore,t^3 is approximately = 60Therefore , t = 4 and x=4^9= 262144
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A train blows a siren one hour after starting from the station. After that it travels at 3/5th of its speed it reaches the next station 2 hours behind schedule. If it had a problem 50 miles farther from the previous case,it would have reached 40 minutes sooner. Find the distance between the two stations
nav_cusat
- Mar 8th, 2008
It is a simple logical ques. suppose the train takes t time to cover the dis. But when there occurs a problem , whether at a dis after travelling for 1 hour or further 50 miles; it must take more than time t(as it is its normal travelling time.).
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A Doctor and Nurse gave birth to a child. The child becomes 15 years of age then one day teacher asked the child about their parents and she said that his father is not a doctor and his mother was not a nurse. How is it possible?
The doctor and Nurse processed the delivery of child and not they are the father and Mother of the child.
mon24
- Mar 17th, 2008
When the child was of 2yrs 3months and 8 dayz his father and mother died in the road accident ...after wich he was adopted by an engineer
sridhar.k
- Nov 16th, 2007
that is an test tube baby
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) a box contains 12 marbles of three colors – green, yellow & blue – 4 each. If you were to close your eyes & pick it up, how many marbles must you take out to be sure that there are at least 2 of one colour among the marbles picked out.(SakDevi-73).Try with 20 marbles also.
charu
- Jun 25th, 2006
If the person has to choose two of same colour then he has to pick up atleast four marbles to have the two?same coloured marbles!!?
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If a farmer divides all the mangoes he has into rows of 3,5,7,9 he finds there isstil one left but when he divides it into rows of 11 he finds none is left. what is thetotal no of mangoes
madhuri
- Jan 22nd, 2007
lcm of 3,5,7,9 is 945...if we divide 946 it will have remainder 1 but if we divide by 11 no remainder....
Challenging Puzzles
Ans