Find the three missing numbers to unlock the vortex!
You may discuss the question below, but no full answers, please, until the competition has closed!
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How to Enter
Send your complete solution by email to firstname.lastname@example.org. This email address shall be removed after the competition closes to avoid spam. This PMQ25 competition closes on MONDAY 1 July at 23:59 GMT - one extra weekday from now on.
The prizes for this PMQ are 3 free places in our Online Maths Club for ONE YEAR. The very first correct solution will receive a prize plus two others randomly selected from all the other correct answers. The email time stamp shall determine the order of entries received. All winners can have their name posted and a link to their own online profile at their favourite social network or their own blog.
Look at the expanded rules on our PMQ page.
Anybody can enter our Prize Maths Quiz; adults and students.
Use the official server clock in the right column to avoid late entries.
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DO NOT submit your entries to the comments section at the bottom of this post.
You CAN discuss it there but you must email us to enter the competition.
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Enjoy the challenge!
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