You have two hourglasses, a 7 minute one and an 11 minute one. Using just these two hourglasses, how can you accurately time 15 minutes?
Riddle AnswerInterview Riddles
1.5 Teenagers 1.5 Pizzas 1.5 Days
If one and a half teenagers can eat one and a half pizzas in one and a half days, how many pizzas can 9 teenagers eat in 3 days?
Riddle AnswerAverage Monthly Salary
During a school lunch break, ten kids are discussing about their holiday jobs. In particular, they would like to know their average monthly salary (for the ten of them), but no one wants to admit openly exactly how much they make. Can you devise a way for them to calculate their average (mean) salary without anyone having to tell anyone else what their individual salaries are?
Riddle AnswerThe Liar
A boy and a girl are sitting on a bench.
“I am a boy,” says the child with black hair.
“I am a girl,” says the child with brown hair.
At least one of them is lying. Who is the boy and who is the girl?
Riddle Answer12 Black Socks and 8 Blue Ones
You wake up one morning and there’s been a power outage. You know you have 12 black socks and 8 blue ones. How many socks do you need to pull out before you’ve got a match?
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