Family Brain Teaser

If you think you can solve it, with a bit of help from your family, email me the answer here with your name and class in the subject line, principal@skormond.catholic.edu.au


Week 5s teaser! Winner - Well done the Zitzen Family the Correct answer was 45 and you were first.

Find a number less than 100 that is increased by one-fifth of its value when its digits are reversed.

Last Week's Teaser. A man is headed to a mountain along with a lion, a goat, and a basket of vegetables. On the way, he needs to cross a river and the boat can only carry two things at a time. If he takes the vegetables, the lion will eat the goat. If he takes the lion, the goat will eat the vegetables. How does he cross the river?

Winner - Rafael. Correct Answer. Trip 1: He takes the goat with him, leaving the lion and the vegetables behind. On reaching the other riverbank, he drops off the goat.Trip 2: He then comes back for the lion, leaving the vegetables behind. On reaching the bank this time, he drops the lion, and again takes the goat along.Trip 3: He drops off the goat again and takes the vegetables with him to the other shore.Trip 4: Lastly, he comes back alone for the goat.

This Week's teaser

A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?