Basics & Puzzles

In Windows Applications, we use chm file for help contents or for documentations. But we sometimes we are not able to see any contents in chm viewer. While it works fine on another systems. How to solve that: 1. Open command prompt and run as administrator. 2. go to location where chm file is located. 3.  input the file name (xxx.chm) and click on enter. It should work fine. Another way to do. 1. Right click on chm file. 2. Go to properties. 3. Select the Unblock option.

A man is staying on an island covered in forest.  One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.  There are cliffs around the island, so he cannot jump off. How can the man survive the fire? (There are no buckets or any other means to put out the fire) Click Here for Solution

T hree friends A, B, and C are talking to each other about the art collection of Leonardo. A says: "Leonardo has at least four paintings of Hussain." B says: "No, he has less than four paintings of  Hussain ." "According to me," says C, " Leonardo  has at least one painting of Hussain." If you know that only one of the three friends is right, how many paintings does Leonardo possess ?

Nidhi was sitting at her study table, home alone, on a cold and stormy night.  She was reading her books when she heard faint footsteps. Nidhi got out of her room and looked around when suddenly, without warning, she was grabbed by the neck. She tried to scream but it came out as a mere whimper as the intruder was pressing hard against her throat with his arm.  "Give me all your money!" growled the man who had grabbed her from behind. "Th-there is none h-here! Please ll-let me go!" cried Nidhi. "Don't LIE TO ME!" screamed the increasingly agitated man. She felt the man strengthen his grip around her neck. She said nothing and a few seconds passed by in silence.  Suddenly the phone rang which alerted both of them. "People will get suspicious if I don't answer the phone," said Nidhi, with a controlled voice. The intruder let her go. "Alright, but NO funny business, or ELSE!" said the nervous intruder. Nidhi wa

Six Juice canes are in a row. The first three canes are filled with juice and last three are empty. By using only one cane, can you arrange them so that the full and empty canes are alternate ?

An International competition is organized on knockout terms in  November 2013. The final contestants are from Britain and  America respectively. Both of them are handed over the final  test paper which they have to fill for evaluation. They have to  write their names and date on the paper. When the  evaluators are handed over the sheets, they find out that  both  the guys have same name. In no manner can they  identify  which sheet belongs to whom. Can you identify the date on which the competition was held? Click here for solution

Move only one digit and rectify the equation: 101 - 102 = 1

There were five people were going to church and all of sudden its started raining. Four of them got wet and while one still stayed dry. Hows this possible ?  Note: They were not carrying any umbrella or having any shelter near by.

You are participating in a race. You overtake the last person. What position are you in? Click here for Solution:

One day, a Circle inspector(CI) was told that the police commissioner will be visiting police station in next 2 days. Police comissioner can ask questions related to their circle and if all question answered, then he will award that station best police station award. CI will have liberty to choose any person for answering the question.     CI knows that all of his Juniors does not have all information about their area. CI is yours friend and seek help from you. How will you give him advice so that he can instruct his juniors to maximise the chances of receiving a correct answer for each question ?  Click here for Solution:

What comes first - Chicken or Egg ?? Give your reply with reason. Click here for Solution

Ram and shyam have 100 rupees between them. Ram have 99 Rupees more than Shyam. How much amount does each have ? 

An old man lives alone in a flat. Because of his age , he is not able to move comfortably and hence most of the things used to be delivered to his house. On Friday while delivering the mail , postman feels something suspicious in the flat and try to look inside through the key hole and he saw a blood filled body of the old man. CID arrived the scene.  On the outside of flat, he found two bottles of warm milk, Tuesday newspaper, some unopened mails, some gifts. CID waste no time to find the murderer. Who was the murderer ?

A Girl wanted to enter an pub but did not know the  password that was required. She waited by the door and  listened.A club member knocked on the door and the  doorman said, "twelve." The member replied, "six " and was  let in.A second member came to the door and the doorman said,  "six." The member replied, "three" and was let in.The Girl  thought she had heard enough and walked up to the door.  The doorman said ,"ten" and the girl replied, "five. "But She was not let in. What should have she said?

Bobby jasoos reviewed the information they had on the case so far.  A Girl named 'Anushka' was found shot and they already had a list of suspects - Ankit , Tarun, Harish, Manoj and Manish.  Killer is a fan of Bobby  and challenge her by leaving notes at various places. * The first was found in a toilet room. Toilet room was too much in bad condition. * The second was found in an art room. Art room were having lots of costly paintings. * The third was in a restroom. In restroom she found a bandage and a knife. * the fourth in an underwater room. * The fifth at the no smoking room. She found cigarette buds.  All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at anyplace the notes were.  Bobby the genius , immediately solved the case.   Who was the killer ?

A man has two sons. he has treated them equally and has not put any sort of discrimination between them. Now, he owns a land which he wants to divide equally between his sons So that he can go for pilgrimage. The only problem is that the land is not in any symmetrical shape and thus can’t simply be divided into two equal halves. You are the only intelligent person in town. He called you and asked for a solution. Can you figure out a method to divide the land without going through all the extensive measurements such that both sons are happy with their share of land ?

2+3=8, 3+7=27, 4+5=32, 5+8=60, 6+7=72, 7+8=?? Solve it?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.  Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee ?       Click here for solution

Raj is hungry and he wants to cook Maggi. He saw TV advertisement that we can cook maggi in 2 minutes. He have two sand hourglass, one that measures 7 minutes and other measures 4 minutes.  Using these two hourglass how he can measure exactly 2 minutes to have maggi ?

The average age of 10 members of a committee is the same  as it was 4 years ago, because an old member has been  replaced by a young member. Find how much younger is  the new member ?

A person drives with constant speed and after some time he sees a  milestone with 2 digits. Then travels for 1 hour and sees the same 2  digits in reverse order. 1 hour later he sees that the milestone  has the same first 2 digits with a 0 between them. What is the speed of  the car? 

We have ten sacks and each of sack having 1000 coins. Each coin weighs 10 grams. One of sack is having faulty coins whose weight is 11 grams. We have to find out faulty sack. We can use weigh machine only one time. How to find faulty sack ?

The image shows a huge Bengal Tiger standing in a bamboo forest.  Your mission is to look for "The Hidden Tiger" in the image below.

Two classmates Ram and Shyam met in a street after many years.  The following is part of their discussion. Ram: Yes, I'm married and have three wounderful children. Shyam: That's great! How old are they? Ram: Well, the product of their ages is 36. Shyam: Hmm. That doesn't tell me enough. Give me another clue. Ram: OK. the sum of their ages is the number on that shop  across the street.. Shyam: (After a few minutes of thinking) Ah ha! I've almost got it but I still need another clue. Ram: Very well. The oldest one has red hair. Shyam: I've got it! What were the ages of the children of Ram?

You are a crime investigation officer breaks into a crime  scene. The victim is the owner   who is  slumped dead on a  chair and have a bullet hole in his head. A gun lies on the  floor and a cassette recorder is found  on the table.   On pressing the play button, You hears the message   'I have committed sins in my life and now I offer my soul to  the great lord'....following a gunshot.   What do you think is it a Murder or Suicide ? Answer with  valid reason. 

You are the king of Royal empire and you are about to have a private party tomorrow. The party is the most important party you have ever hosted. You've got 100 bottles of wine you were planning to open for the celebration, but you find out that one of them is poisoned. The poison exhibits no symptoms until death. Death occurs within ten to twenty hours after consuming even the minutest amount of poison. You have over a thousand slaves at your disposal and just under 24 hours to determine which single bottle is poisoned. You have a handful of prisoners about to be executed, and it would mar your celebration to have anyone else killed. What is the smallest number of prisoners you must have to drink from the bottles to be absolutely sure to find the poisoned bottle within 24 hours?

In 1872, Twin sisters born in famous city of India.  Due to some circumstances, their is diffrence of 10 hours in their birth time. Elder sister is Alisha and younger one is Nisha. Alisha bought a box on her 20th birthday. she puts 2500 rupees on every birthday and Nisha takes out 500 rupees from the box on her birthday. Alisha died at age of 60 and t hen the box was opened there were 2500 remaining in the box. Hows this possible ?

Arrange the alphabets 'A' to 'H' in the grid below such that adjacent characters are not in adjacent boxes (horizontally, vertically, or diagonally).  (A,B,C,D,E,F,G,H) Note: Multiple solutions are possible.

Eight software engineers are sipping coffee at cafe coffee day. They wish to compute their average salary. However, nobody is willing to reveal  information about his/her own salary to anybody else and they can not ask salary directly/indirectly to any other employee. How do they do it?

Find the Parking number space containing the car: Click for Hint: If Players hits 6 sixes in 6 balls, He won't be able to play first ball of next over.

How many runs a single player can score in One day match (50 overs/ 300 balls), assuming he played all balls. No 'no balls', no wides, no extras, no over throws, So how much runs he can score max ?  Click for Hint: If Players hits 6 sixes in 6 balls, He won't be able to play first ball of next over.

A King tells his two sons to race their horses to a distant city to see who will inherit his fortune. The one whose horse is slower wins. After too much of thinking, they went to Birbal to take his guidance on how to win the race. Birbal gave them advice and it solves the problem for brothers. find out the advice which solve the problem ? Click for Hint: After Birbal's advice, They jump on the horses and race to the city as fast as they can

Input                        Output 2     3    2                   5   13   14   1                  14  14    5    9                  464 Find the logic behind the output.

Ram, Raj, and Shyam visited their mother yesterday. One of them was suspected to eat pastries from the refrigerator. The three brothers made the following statements: Ram: I'm innocent. Raj: I'm innocent. Shyam: Raj is the guilty one. If only  one  of these statements was true, who ate the pastries?

I give you 4 tablets which contain 2  for fever and 2 for cold..all 4 have  same size, shape, taste, weight and color, No cover.  You have to take 1 cold and 1 fever  tablet right now..How will you choose  correctly??? Click for Hint: 1/2 + 1/2 = 1

There are three switch buttons outside a room. Two of them are faulty and only one works to switch on the bulb in the room. Room is closed from a the side and there is no way to see inside when the door is closed.  How to know the correct switch by entering the room only once . Click for Hint: Use body senses.

You are given 2 ropes and lighter. Each of 2 ropes has following property if u light 1 end it will take 1 hr to burn other end. Its doesn't necessarily burn at uniform rate .  How can u measure a period of 45min...?

Three prisoners and five hats (supposedly two black and three white) are involved. The three prisoners are ordered to stand in a straight line facing the front, with C in front and A at the back. They are told that there will be two black hats and three white hats. One hat is then put on each prisoner's head; each prisoner can only see the hats of the people in front of him and not on his own. The first prisoner that is able to announce the color of his hat correctly will be released. No communication between the prisoners is allowed. Who will announce first....? He first asks Prisoner C, "What is the color of the hat on your head?" Prisoner C thinks for a short while and then replies, "I'm sorry, I do not know." He then asks Prisoner B, "What is the color of the hat on your head?" Prisoner B thinks for a short while and then also replies, "I'm sorry, I do not know." He finally asks Prisoner A, "What is the color of t

Sometimes the name of a country is hiding in the consecutive letters within a sentence. For example, FRANCE is hiding in, "The runners who lived at the top of the cliff ran centuries ago"(clifF RAN CEenturies). Find the name of the country hiding in the   letters within these sentences. 1. You all must pay it back, or each of you will be in trouble.  2. Was Doctor Dolittle's favorite animal a glib yak?  3. A true optimist will never let hope rush away.  4. How often can a daydream come true?  5. Is there a health spa in this hotel?  6. They are going in diametrically opposite directions.  7. Is the county fair a nice place to visit?  8. The foot with which I lead is my left one.  9. He owns a ranch in Arizona.  10. The foods we deny ourselves are usually tasty.

3 Buckets 1 having apples, 1 having oranges and 1 having both apples n oranges.  all buckets having wrong stickers so without watching inside bucket.  How many minimum Fruits you pick to tell exactly which bucket contain what...? Click for Hint: All buckets have wrong stickers.

In HTML5, by using CSS3 we can rotate images on particular angle, and we can also set a time stamp for total duration to rotate the image.Click on image and it will rotate by 360 degrees. If you want to test this, You can enter particular angle in given text box and click on image to test. Please enter angle value (In degrees) Please enter time (In seconds)