0.9999999........ = 1, true or false? … [Continue reading]
0.999… = 1 #55
Did i speak to Tina or Meena ?
Tina & Meena are twins. One of them lies while the other is truthful. I asked one of them, "Does Tina lie?" "Yes", was the answer. Did I speak to Tina or Meena? … [Continue reading]
What is the next number in sequence? #54
Who is the thief puzzle reloaded
If you have not tried its simpler version, try that first click here for Who is the thief puzzle part 1 A horse, a donkey and a camel were stolen. Three suspects: Robert, Scott and Tommy. All we know that each person stole one animal, … [Continue reading]
Get number 28 # 53
How you can get number 28 by using following numbers and operators Numbers: 1, 5, 7 and 8. Operators: +, -, * and / You can use ( ) brackets as well. Rules:- You can use each number only once. You can not use 1 and 5 as 15. You have … [Continue reading]
Prisoner and two doors puzzle
A prisoner is faced with a decision where he must open one of two doors. Behind each door is either a lady or a tiger. They may be both tigers, both ladies or one of each. If the prisoner opens a door to find a lady he will marry her and … [Continue reading]
10 digit number #52
Find the 10 digit number satisfying below conditions Its first digit is the number of occurrence of 0's in the number. Second digit is the number of occurrence of 1's in the number. Third digit is the number of occurrence of 2's in the … [Continue reading]
Who did it ?
Three of these statements are false, so who did it? Mr Red: "Mr Blue did it." Mr Blue: "Mr Red did it." Mr Green: "Mr Blue's telling the truth." Mr Yellow: "Mr Green's not lying." … [Continue reading]
Next number in series? #51
Who is the thief puzzle
There was a burglary in the Silver City jewelry store last Sunday. Three suspects: Robert, Scott, and Tommy were caught and questioned. Each person said, "One of the other two stole it. I did not do it." Later on the police found … [Continue reading]
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