Before reading ahead, you must know the fact that only one of the people here is telling the truth. A says that B is lying. B says that C is lying. C says both A and B are lying. Can you find out who is speaking the truth?
Prove that twice of ten is the same as twice of eleven.
You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?
You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?
What do you get if you add 2 to 100 four times?
Today is John's birthday. A year ago, John had five candles and he lit all the candles except the one at the last. Now he is going to light all the candles. How old is John Today? (He is not five today.....)
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
Jenifer and Jesica are having a conversation. Jenifer: I am definitely not over 30. Jesica: I am 28 and you are surely 5 years older to me at least. Jenifer: No, you are at least 29. You are told that both of them are lying throughout in the conversation. Can you find their respective ages?
Decode this picture on T-Shirt and tell what it says ?
How many letters are in the alphabet?
If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.