What is 19 squared?
What is 19 squared?
Approach: Memory.
361.
Follow-up: What is 21 squared?
Key concepts: squares.
All interview questions
More mental math questions
Hudson River Trading profile
A position compounds at 9% a year. Use the rule of 72 for the doubling time, then say how…
A fair coin is flipped until it shows heads, up to a maximum of 4 flips. You are paid $10…
What is 60 * 70?
What is 7 cubed?
What is 11 * 12?
What is 2^20 approx?
Career roadmaps
Question topics
Resource library
Common questions
Search everything
Question bank
All drill modes
Firm profiles
Open roles
Insights blog
Reading paths
Community
Interview timelines
About
Pricing
For employers
For universities
Privacy
Terms