Problem of the Week :

Using each of the digits 2,4,5 and 7 exactly once, fill in the boxes below that the difference is as small as possible .( arrange the numbers in two rows and two columns)

SOLUTION;

75 - 24 = 51

I am thinking of a number. double my number, then subtract 1. If you triple this result, the answer will be 1 fewer than 25. What is my number ? ( hint; decimal number is possible answer)