Optiver interview question

1/?/?/16=1 ?=what

Interview Answers

Anonymous

28 Sept 2012

1/?/?/16 is equal to (1/?)*(16/?)=16/?^2 Set that equal to 1. So 16/?^2=1 -> 16=?^2 ?= -4,4

2

Anonymous

14 Nov 2012

should be 1/4 or -1/4

1