Brain Challenge

Week 457 (21st August 2026) 

Week 457 (21st August 2026) 

Ben thinks of a number. 

He adds 15 to the number and then divides by 9. 

The answer is 47. 

What number did Ben think of? 

Answer: 

47 x 9 = 423 

423 – 15 = 408 

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