Crack the Logic

If 1+9+8=1, what is 2+8+9?




Similar Logic Riddles

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

Asked by Neha on 29 Jun 2021


My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Asked by Neha on 27 Feb 2021

Using eight eights and addition only, can you make 1000?

Asked by Neha on 17 Feb 2024


If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Relationship in Numbers and Letters

Asked by Neha on 11 Jun 2023

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Asked by Neha on 08 Oct 2023

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Asked by Neha on 06 Aug 2024


Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Asked by Neha on 05 Sep 2021

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Asked by Neha on 02 May 2023

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Asked by Neha on 18 Apr 2024


Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

Asked by Neha on 01 Nov 2023

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.