Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Can you find the missing piece of the Porsche?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

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

Count the number of triangles in the given picture.

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

I look at you, you look at me, I raise my right, you raise your left. What am I?

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

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?