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?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

What kind of storm is always in a rush?

Can you spot the hidden girl in the picture below?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

Count the Triangle in the figure given below:

I have no life, but I can die. What am I?

Prove that the below maths equation is true.

8 + 8 = 91