Month: October 2019

Voting

3 sisters can never choose what to have for dinner. So they take a vote. 1 is their first choice, 5 is their least favourite. What should they have for dinner?

3 filles n’arrivent jamais à choisir quoi manger pour le dîner. Elles décident donc de faire un vote. 1 est leur premier choix, 5 leur dernier. Que devraient-elles manger pour le dîner ?

Rosie

Food/Nourriture Preference/Préference
Plaintain 1
Rice 2
Chips 4
Spaghetti 5
Ugali 3

Precious

Food/Nourriture Preference/Préference
Plaintain 5
Rice 2
Chips 3
Spaghetti 4
Ugali 1

Florence

Food/Nourriture Preference/Préference
Plaintain 2
Rice 3
Chips 1
Spaghetti 4
Ugali 5

Which dish should their mother cook?

Quel plat devrait cuisiner leur mère ?


Can you make an argument for each of the dishes?

Peux-tu donner des arguments pour défendre chaque plat ?

Give us your suggestions in the comments section!
Donnes-nous tes suggestions dans les commentaires !

Find the Remainder when divided by 7

3 to the power of 2001 is a very big number (954 digits long!!). A regular calculator will not be able to calculate it.

Without calculating the value of this number, can you find the remainder when it is divided by 7?

For more explanation see the English and French versions of the puzzle.

And here are the solutions in English and French.

This problem was posted originally on the Nrich website .