Question
Quantitative Ability and Data Interpretation Question on Geometry
Shireen draws a circle in her courtyard. She then measures the circle’s circumference and its diameter with her measuring tape and records them as two integers, A and B respectively. She finds that A and B are coprimes, that is, their greatest common divisor is a. She also finds their ratio, A:B, to be: c.14161416141f... (repeating endlessly). What is A – B ?
A
7138
B
21413
C
21417
D
21414
E
15
Answer
7138
Explanation
Solution
The correct answer is option (A):7138