Deutsche Bank interview question

75^2`

Interview Answers

Anonymous

13 Sept 2011

5575 (obviously not the right answer)

Anonymous

20 Sept 2011

75^2 = 75*75 = 5625

Anonymous

15 June 2012

When squaring a number X5 ending on a 5 the answer is: X*(X+1)25. So in this case 75*75 = 7*8 25 = 5625