Cleave Books Puzzle Trio 13
37. 
I am thinking of a 2digit number which 
When it is divided by 3 the remainder is 1
When it is divided by 4 the remainder is 2
When it is divided by 5 the remainder is 3
When it is divided by 6 the remainder is 4
What number am I thinking of?

38. 
At a Crazy Sale to raise funds for the local Village Hall, one stallholder advertised 

FIVE  for  10p 
NINE  for  11p 
TEN  for  9p 
TWELVE  for  18p 


One customer figured out how the system worked, asked for ELEVEN, and passed over the correct money.
How much did the customer pay?

39. 
There are two cubes.
For both of them, their edgelengths are a whole number of centimetres.
Curiously, the total of their volumes is exactly equal to the total of all their edgelengths.
What is their total volume? 
