If Mary’s daughter is my daughter’s mother, who am I to Mary?
(a) Grandmother
(b) Mother
(c) Daughter
(d) Granddaughter
(e) I am Mary
Hard Riddles
Fill the Bathtub
A bathtub has two taps and a plug hole. The cold tap on its own fills the bathtub in 18 minutes. The hot one on its own fills the bathtub in 15 minutes. The plug hole can drain the bathtub in 10 minutes with the taps off.
How long will the bathtub take to fill if both taps are turned on and the plug left out?
Riddle AnswerLargest Amount of Area with Least Amount of Fence
A farmer challenges an engineer, a physicist, and a mathematician to fence off the largest amount of area using the least amount of fence.
The engineer made his fence in a circle and said it was the most efficient.
The physicist made a long line and said that the length was infinite. Then he said that fencing half of the Earth was the best.
The mathematician laughed at the others and with his design, beat the others. What did he do?
Riddle AnswerMissing Wallet Thief
Six men, namely Martin Freeman, Jonah Jameson, Terry Singer, Mike Cooper, Jim Condon and Sylvian Bogard were in an elevator together.
Unexpectedly, the lights went out. When the lights came back, Martin Freeman’s wallet was missing which contained a confidential item.
Detectives were called at the scene. They interrogated the suspects, the witnesses, and people who were familiar with the suspects. They collected physical evidence (hair samples, fiber samples, etc.) from the crime scene as well. Overall, they were able to collect fifteen clues, but they could still not find the culprit.
Following are the clues.
- No two suspects have the same weight, color shoes, color umbrella, color car, or hair color.
- The suspect who owns a pink car was wearing tan shoes.
- The suspect who weighs 180 pounds owns an orange car.
- Terry Singer owns an orange car.
- The suspect who owns a blue car was wearing purple shoes.
- The suspect who weighs 150 pounds was wearing tan shoes.
- Mike Cooper was carrying a pink umbrella.
- Sylvian Bogard has black hair.
- Jonah Jameson weighs 210 pounds.
- The suspect who weighs 190 pounds was wearing purple shoes.
- The suspect who was carrying a black umbrella is not the one who was wearing blue shoes.
- The thief owns a blue car.
- The suspect who owns a white car is not the one who weighs 170 pounds.
- Jim Condon was wearing brown shoes.
- The suspect who weighs 190 pounds is not the one who has black hair.
Can you find the culprit?
Riddle AnswerSteak or Fettuccine Alfredo
Harry went out to dinner with his friends Larry, Barry, and Gary. Harry sat across from Gary. At Gary’s right, opposite Barry, sat Larry.
When the waiter came for their orders, Larry and Barry ordered steak. Gary chose fish, and Harry (who likes to be difficult) ordered like this: “Unless the man at the left of the man opposite the man who ordered fish is not having what the man across from the man at the right of the man at my left is having, then I’ll have what the man across from the man at the right of the man opposite me ordered. Otherwise, bring me the Fettuccine Alfredo.”
Assuming “right” and “left” is from the viewpoint of the diners, what did Harry order?
Riddle Answer