Copyright © University of Cambridge. All rights reserved.

See all short problems arranged by curriculum topic in the short problems collection

What is the digit $x$ in this cross-number?

Across Down

1. A cube 1. One less than a cube

3. A cube 2. A number

If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.

If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.

*This problem is taken from the UKMT Mathematical Challenges.*