Belvedere Trading interview question

83*37?

Interview Answers

Anonymous

Feb 23, 2014

(80+3)*(40-3)=3200+120-240-9=3200-120-9=3071 easy multiplies in head technique works for lots of problems like this

4

Anonymous

Oct 26, 2011

83x30 + 83x7 2490 + 581 3071. Bingo

1

Anonymous

Sep 24, 2011

63*57=(60+3)*(60-3)=60^2-3^2=3591

1