Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What is the difference between a jeweller and a jailer?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What does this rebus mean?

O
N
C
E
TIME

Can you spot the hidden girl in the picture below?

Sweet & very intelligent katty has 8 puppets(Jane Bird Barbie Angel Colleen Nora Lass Missy).
All puppets are of different size. She arrange all puppets to face towards the guest and tell the guess the following clues :

* Jane has three puppets bigger on its left side
* Bird has two puppets smaller on its left side
* Barbie has one puppet bigger on its right side
* Angel has two puppets smaller on its right side
* Colleen has one puppet bigger on its left side
* Nora has one puppet smaller on its left side
* Lass has four puppets bigger on its right side
* Missy has three puppets smaller on its right side

Also some puppets are inside the bigger puppets.

Assuming you are the guest , can you tell the katty how the puppets are arranged ?

When can we add 2 to 11 and get 1 as the correct answer?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?