Scientific Maths

What's the next in the series?

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




Similar Riddles

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Asked by Neha on 24 Feb 2024


A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

Asked by Neha on 14 Dec 2023

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

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What two things can you never eat for breakfast?

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Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

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What kind of tree can you carry in your hand?

Asked by Neha on 14 Aug 2025


2, 3, 5, 9, 17, _ What is the next number in the sequence?

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I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Asked by Neha on 24 Mar 2025

A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?

Card Mixing Riddle

Asked by Neha on 04 Apr 2021


A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

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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.