Magic Algebra

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT




Similar Logic Riddles

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Missing Piece Riddle

Asked by Neha on 03 Apr 2021


A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Asked by Neha on 17 Oct 2025

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

Asked by Neha on 10 Dec 2025


There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Asked by Neha on 11 Mar 2023

In which direction should the missing arrow point?

Arrow Direction

Asked by Neha on 30 Dec 2024

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Asked by Neha on 16 May 2022


A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

Asked by Neha on 29 Mar 2023

In the picture given below, can you find out which digit will take place of the question mark?

Replace the Question Mark

Asked by Neha on 10 Nov 2025

what's the probability of getting a king or a queen from a pack of 52 cards?

Asked by Neha on 27 Sep 2024


There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

Asked by Neha on 07 Sep 2021

Hot Articles

Amazing Facts

Crossword

The day before the 1996 U.S. presidential election, the NYT Crossword contained the clue “Lead story in tomorrow’s newspaper,” the puzzle was built so that both electoral outcomes were correct answers, requiring 7 other clues to have dual responses.