What is the square root of 151,321?	Choose one:  A) 476  B) 389  C) 497  D) 411  E) 524
1) Checking the last digits in the answer options A, C, E are out since last digit of the square is known to be 1.   2) B = 389^2 and D = 411^2   B = (400-11)^2 and D = (400 + 11)^2   Since we need the answer less than 160000 =&gt; D is out.   Thus we have 389 as the ans.
<result>B</result>
What is the square root of 151,321?