Eleven minutes. The twelfth piece does not require sawing.

The bucket full of half sovereign gold pieces are worth more since the denominations of the gold pieces make no difference. What is most important here is the bucket containing half sovereign gold pieces is full of gold whereas the other one is only half full.

444+444+44+44+4+4+4+4+4+4

Just myself ! Only I was going to the market and I met all others coming from the opposite direction.

:Mammu had 5 marbles and Nawal 7.

One train was running just twiceas fast as the other.