"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

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 ?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you name four days which start with the letter 'T'?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

If an electric train is travelling south, then which way is the smoke going?