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?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Can you identify the hidden rebus in the image below?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?