AQR Capital Management

  www.aqrcapital.com
Work in HR? Unlock Free Profile

AQR Capital Management Trader Interview Question

I interviewed in New York, NY and was asked:
"What's the square of 45?"
Add Tags [?]
Answer

Part of a Trader Interview Review - one of 8 AQR Capital Management Interview Reviews

Answers & Comments

1
of 1
vote

45^2=(5*9)^2=25*81=25*80+25=25*4*20+25=100*20+25=2025

- Amigo on Jun 25, 2012
1
of 1
vote

45^2=(40+5)*(50-5)=40*50+(50-40)*5-5*5=2000+25=2025

- Anonymous on Mar 30, 2013
0
of 1
vote

45^2 = 2025
in general, ab * ac provided b+c = 10 then 2025 is eqv to,
20 i.e. a*(a+1) and 25 i.e. b*c

- rp on Apr 2, 2013

To comment on this question, Sign In with Facebook or Sign Up

Tags are like keywords that help categorize interview questions that have something in common.