Hint: The countries begin with the letters: B, M, B, J, C, S, Z, V, F, L.
BEL + GI + UM = BELGIUM
MEX + ICO = MEXICO
BRA + ZIL = BRAZIL
JA + PAN = JAPAN
CAM + BO + DIA = CAMBODIA
SW + ITZ + ERL + AND = SWITZERLAND
ZI + MBA + BWE = ZIMBABWE
VEN + EZU + ELA = VENEZUELA
FI + NL + AND = FINLAND
LI + BER + IA = LIBERIA
Can you find a five digit number which has no zeros nor ones in it and no digit is repeated, where:
The fourth digit is a quarter of the total of all of the digits.
The second digit is twice the first digit.
The third digit is the largest.
The last digit is the sum of the first two digits.
A man wants to transport a fox, a chicken and some corn across a river.
He has a rowboat, but it can only carry the man and one other item.
If the fox and the chicken are alone together, the fox will eat the chicken.
If the chicken and the corn are alone together, the chicken will eat the corn.
How does the man do it?
Hint: Start with the chicken.
He takes the chicken and then comes back.
He then takes the fox and brings the chicken back.
He then takes the corn and comes back.
Finally he takes the chicken again.