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

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Can you make a six-letter word using the letters N, A and B ?

Can you make a fire with just a single stick?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you solve the maths in the below-given picture equation?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Which flower has two lips?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?