A man dies of old age on his 25 birthday. How is this possible?

Spot what is wrong here in below Picture?

Find the next number in the sequence

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

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

When is the top of a mountain similar to a savings account?