Daily 30 Seconds 

Can you solve the mathematical questions in 30 seconds? Click 'start' to see the starting number, and then follow the instructions until you get to the end.

Go to the answer box when 'start' is selected? Save setting?

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Jun 06 - Easy

Puzzle Copyright © Kevin Stone

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Jun 06 - Medium

Puzzle Copyright © Kevin Stone

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Jun 06 - Hard

Puzzle Copyright © Kevin Stone

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Share link: www.brainbashers.com/y0606

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All daily items change at midnight GMT - set your local time zone.

• HALVE   divide by 2 (e.g. 10 ÷ 2 = 5)
• DOUBLE  multiply by 2 (e.g. 10 x 2 = 20)
• SQUARE  times by itself (e.g. 10 x 10 = 100)
• CUBE    times by itself twice (e.g. 10 x 10 x 10 = 1,000)
• ׳/₅    find three fifths (e.g. ¹/₅ of 15 = 3, so ³/₅ = 9)
• ×2¹/₃   find two and a third (e.g. 2 ¹/₃ of 15 = 2 x 15 + 5 = 35)
• ×10%    find 10% (e.g. 10% of 80 = 8)
• √       find the square root (e.g. the square root of 100 is 10)

I have deliberately chosen not include the answers - but you could use a calculator to see the value at each stage of the calculation.