Next Number?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?




Similar Riddles

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

Asked by Neha on 05 Sep 2023


How can you leave a room with two legs and return with six legs?

Asked by Neha on 14 May 2021

How many times can you subtract the number two from the number fifty?

Asked by Neha on 12 Mar 2022


A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

Asked by Neha on 14 Jun 2025

If your uncle’s sister is not your aunt, what relation is she to you?

Asked by Neha on 28 Jul 2025

What is the next number in the series?

15 29 56 108 208 ?

Asked by Neha on 27 Dec 2024


A charming young lady was approached by a kind looking old woman in a restaurant. The old woman said to her, 'You look exactly like my younger daughter. Sadly she passed away a couple of months back. Could you do me a favor and say 'Goodbye, mother' with a kind smile on your face when I leave?

The young lady agreed for the same and said, 'Goodbye, mother' when the old woman left. Soon after, she got the most disengaging shock of her life.

Can you guess what the shock was?

Asked by Neha on 01 Jun 2021

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Asked by Neha on 21 Feb 2021

Can you find out the missing number in the grid?

Missing Number

Asked by Neha on 12 Nov 2023


The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Replace the (?)

Asked by Neha on 30 Jun 2023

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Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.