A doctor gives you three pills and tells you to take one every half an hour. How long will the pills last?

Answer: one hour

More Tricky Riddles with answers

More Tricky Riddles

A dog had three puppies, named Mopsy, Topsy and Spot. What was the mothers name?
A farmer in California owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner has called the farmer to see how much fruit is available for him to purchase. The farmer knows that the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?
A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are in the family?
A grandfather, two fathers and two sons went to the movie theater together and everyone bought one movie ticket each. How many tickets did they buy in total?
A great banquet was prepared for a Roman emperor and his courtiers. 22 Dormice, 40 Larks' Tongues, 30 Flamingos and 40 Roast Parrots were served. How many portions of Boiled Ostrich were served?
A group of campers have been on vacation so long, that they've forgotten the day of the week. The following conversation ensues. Darryl: What's the day? I don't think it is Thursday, Friday or Saturday. Tracy: Well that doesn't narrow it down much. Yesterday was Sunday. Melissa: Yesterday wasn't Sunday, tomorrow is Sunday. Ben: The day after tomorrow is Saturday. Adrienne: The day before yesterday was Thursday. Susie: Tomorrow is Saturday. David: I know that the day after tomorrow is not Friday. If only one person's statement is true, what day of the week is it?
A group of privates were standing in the blistering sun facing due west. Their sergeant shouted at them: Right turn! About turn! Left turn! In which direction are they now facing?
A guy was waiting at home, he swung a metal pole then took 3 left turns and on his way back home there was a masked man waiting for him. What is he doing and who is the masked man?
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
A horse is tied to a five-meter rope in front of an old saloon. Six meters behind the horse is a bale of hay. Without breaking his rope, the horse is able to eat the hay whenever he chooses. How is this possible?
A horse travels a certain distance each day. Strangely enough, two of its legs travel 30 miles each day and the other two legs travel nearly 31 miles. It would seem that two of the horse's legs must be one mile ahead of the other two legs, but of course this can't be true, since the horse is normal. How is this possible?
A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?