Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Can you find the mistake in the below statement?

Which is the rope you never skip with?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Why is the Hole below a Lock?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Count the number of triangles in the below picture?