Which alphabet letter is a question?
What is harder to catch the faster you run?
Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?
A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body. If he committed suicide, how did he do it?
Count the number of squares in the picture below.
You have two buckets of 11 liters and 6 litres. How can you measure exactly 8 litres?
There is a five-letter word which has 3 consonants(all are same) and 2 different vowels. Also, something wrong is associated with the word. Can you name it?
Replace the question mark with the correct number. 2 + 2= 4 3 + 3= 18 4 + 4= 48 5 + 5= ?
Buy me, smell me or deliver me, I do not change. Who am I?
Prove that twice of ten is the same as twice of eleven.
I am a five-letter word under you, Remove the first letter and I am above you, Remove the second as well and I am around you. Who am I?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.