Question: 765 chairs are to be arranged in a column in such a way that the number of chairs in each column should be equal to the columns . how many chairs will be excluded to make this arrangement possible ?
A) 6
B) 36
C) 19
D) 27
E) none of these
Correct answer: b
Grade: 8 | Topic: Number System | Difficulty: Medium | Standard: 8.NS.A.2