NCO Cyber Olympiad (SOF) Class 6: Questions 1 of 722
» Mental Ability » Basic Arithmetic
MCQ▾
Question
What is the least common factor (LCM) of 8 and 10?
Choices
Choice (4)  Response  

a.  40 

b.  24 

c.  80 

d.  16 

Answer
a.
Explanation
Here, LCM calculates the smallest multiple two numbers have in common.
So, for 8, and for 10,
So, in both 2 is common, so it will consider just one time which is shown as bold and other numbers all multiply each other,
Thus LCM is =
Analysis
Performance
Timing