John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?
Find the number of squares in the below-given picture.
Can you guess the name of the month by looking the below rebus ?
How many letters are in the alphabet?
During which month do people sleep the least?
What's the only room from which no one can enter or leave
Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?
I look at you, you look at me, I raise my right, you raise your left. What am I?
I am a type of vehicle that has two wheels and is powered by humans. What am I? Hint 1: You can ride me for exercise. Hint 2: I am environment-friendly.
What runs around the whole yard without moving?
I go up and I go down. I go up towards the beautiful sky and down toward the green ground. I am present tense. I am past tense too Children love me. Who Am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
