A teacher can divide her class into groups into groups of 5,13 and 17. What is the smallest possible strength of the class?
Answers.
A) 1387	B) 1768	C) 1105	D) 1286	E) 2812
Explanation:   For smallest possible class strength, we consider LCM of the given numbers. So L1105M (5, 13, 17) = 1105   Answer: 1105
<result>C</result>
A teacher can divide her class into groups into groups of 5,13 and 17. What is the smallest possible strength of the class?