Question

Alan thinks of a number. he squares it, then takes away 5, next multiplies it by 4, takes away 7, divides it by 3 and finally adds 6. his answer is 9. what number did he start with? 1 2 3 4 5 6

Answer 1

He started with 3. 3 X 3 = 9. 9 - 5 = 4. 4 X 4 = 16. 16 - 7 = 9. 9 divided by 3 = 3. 3 + 6 = 9.

Answer 2

Its 3
3^2 = 9.. - 5 = 4... x 4 = 16... - 7 = 9/3 = 3.. + 6 = 9