## The Hardest Logic Puzzle Ever || by George Boolos

American philosopher and logician George Boolos described the above riddle which was devised by Raymond Smullyan and published it in the Harvard Review of Philosophy in 1996. Boolos called it “The Hardest Logic Puzzle Ever”.  You can read about making this puzzle even harder on the Physics arXiv Blog. The original article Here :…

## LATERAL THINKING AND LOGICAL INFERENCE || SIMPLE COMMON SENSE

Can you solve this? If one orange and one apple cost 2 rupees, how much two oranges and three apples do cost? How can Ram be behind his wife, when she is behind him? 131. What would you do if you find a fire station burning? 132. What would you do if you find a…

## WAIT AND WEIGHT

51.This is a simple question. Don’t confuse. You have 12 gold coins of same weight except one, which weighs less than others. You are given a balance machine but no weighing measures. You can use the balance machine three times only. The balance machine tells you just which side weighs more. How can you find…

## DEVELOPING MATHEMATICAL SKILLS

MATH AND CRICKET: =>  I wanted to gamble in a match between India and England. The odds were 2:1 i.e., if I bet 100 on India, I get 200 more. If I bet 100 on England I get 100 more. If I invest RS. 50 each in both the countries and if India wins I…

## Intelligence, fun and amusement

“A cat breaks two legs if it jumps from two feet. How many does it break by jumping from two-and-half feet?” I asked a boy, who replied, “Two-and-half legs”. He is an institution that taught him rapid mathematics five hours a day. He is really good in multiplications and is able to multiply a four…

## Tips to master in maths

Developing interest towards maths depends on your industry in the initial stages and later on your intelligence. It is one of the few subjects, wherein you can score hundred percent marks to enhance your overall percentage. Many students fear maths. But it’s an easy and interesting subject, once you understand the basics. Be thorough in…