Scientific Maths

What's the next in the series?

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




Similar Riddles

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Asked by Neha on 14 Oct 2021


Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Asked by Neha on 26 Dec 2023

The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

The yellow one says, 'We have 26 legs altogether.'

The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

Servants with multiple legs

Asked by Neha on 09 Apr 2021


Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Asked by Neha on 02 Jan 2024

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

Asked by Neha on 26 Mar 2024

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

Asked by Neha on 21 Oct 2024


You bought me for dinner but never eat me. What am I?

Asked by Neha on 31 Aug 2025

The answer I give is yes, but what I mean is no. What was the question?

Asked by Neha on 04 Sep 2025

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Hourglass Time Puzzle

Asked by Neha on 30 Mar 2021


Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Asked by Neha on 05 Feb 2026

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Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.