Hope you like these questions.

Question 0

What is the largest product of a 5 digit and 4 digit number you can make using the digits 1 to 5 only once?

Question 1

I am a two digit number.

I am 5 times the sum of my digits

What number am I.

Question 2

An internet cable runs around the equator of the earth. How much cable would you need (to the nearest metre) If you wanted to put it on 10m pylons rather then just lying on the ground?