Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Can you find out the total number of triangles in the given figure?

Prove that the below maths equation is true.

8 + 8 = 91

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

What building has the most stories?

I know a nine-letter word having only one vowel.
Do you ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Through your logical capabilities, can you make 7 an even?