Logic Riddles

Logic riddles with answers involve looking at situations and making judgements about them by ruling out impossibilities. If you like solving maths puzzles, you will most probably like logic riddles as well.

3 Mislabeled Jars

There are three jars filled with candies. One jar is filled with banana candies, one jar is filled with lemon candies and one jar has a mix of both. All the jars are mislabelled (i.e. all the jars have wrong labels about what kind of candies they contain).

All the candies look very similar in shape, size and color and they even smell the same. The only way to distinguish them is by tasting.

You have to eat one and only one candy to determine the correct jar labels. You can eat that one candy from any jar you want as long as you eat only one in total.

Riddle Answer

Give and Take

A boy and a girl each have a bag of containing the same number of jelly beans. How many jelly beans must the boy give the girl so that the girl will have ten more jelly beans than the boy?

Riddle Answer

Gold Pieces

Which is worth more: a pound of $10 gold pieces or half a pound of $20 gold pieces?

Riddle Answer

Unlisted Phone Numbers

In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random from that city’s phone directory, how many people selected will have unlisted phone numbers?

Riddle Answer

Lazy Daughter

A wealthy wise old woman feared that her daughter was lazy and, as a result, rather stupid. When the old woman died, her will stipulated that her assets were to be liquidated and a check was to be written for the full amount.

The check was to be placed in one of three envelopes. The other two envelopes would contain a blank piece of paper. If the daughter could determine from the writing on the envelope which envelope contained the check, she would inherit her mother’s fortune. Otherwise, the fortune would go to the old woman’s favorite charity for animals.

The daughter was not allowed to touch the envelopes. Her decision had to be made based on the writing on the envelopes. The daughter was told that only one envelope had a true statement and that the other two statements were false.

The envelopes had the following writing:
1. This envelope does not have the check.
2. This envelope has the check.
3. The second envelope does not have the check.

Which envelope should the daughter pick?

Riddle Answer

Logic Riddles

3 Mislabeled Jars

Give and Take

Gold Pieces

Unlisted Phone Numbers

Lazy Daughter

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