Citi Interview Question

What's 46 times 45

Interview Answers

Anonymous

Nov 1, 2011

46 x 45 = (50 x 45) - (4 x 45) = 2250 - 180 = 2070

2

Anonymous

Nov 11, 2010

46 x 45 = 45 x 45 + 45 = (40 + 5)^2 + 45 = 1600 + 400 + 25 + 45 = 2070

2