Scientific Maths

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?




Similar Riddles

Find the number of squares in the below-given picture.

Count The Number Of Squares

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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

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Find the value of "?" in the ball picture Riddle below:

Missing Ball Sequence

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You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

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What number do you get when you multiply all of the numbers on a telephone's number pad?

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What four weights can be used to balance from 1 to 30 pounds?

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How can you drop a raw egg from a height onto a concrete floor without cracking it?

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In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Chess Board Puzzle

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There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Asked by Neha on 05 Jun 2025


Can you fill the blank with the correct number?

6 30 870 756030 _____

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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.