GCD and LCM using Recursion Multiple choice Questions and Answers (MCQs)

 

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GCD and LCM using Recursion Multiple choice Questions and Answers (MCQs)

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Question 1
Which of the following is an alias for LCM?
A
GCD
B
SCM
C
GCF
D
HCF
Current affairs Questions answers

Question 1 Explanation: 
GCD (Greatest Common Divisor), GCF (Greatest Common Factor), HCF (Highest Common Factor) is not an alias for LCM while SCM means Smallest Common Multiple.

Question 2
What is the LCM of 8 and 13?
A
8
B
12
C
20
D
104
Current affairs Questions answers

Question 2 Explanation: 
104 is the smallest positive integer that is divisible by both 8 and 12.

Question 3
Which is the smallest number of 3 digits that is divisible by 2, 4, 8?
A
100
B
102
C
116
D
104
Home science Questions answers

Question 3 Explanation: 
LCM of 2, 4, 8 is 8. So check for the number that is divisible by 8. So 104 is the smallest number that is divisible by 2, 4, 8.

Question 4
Which of the following is also known as LCM?
A
Lowest Common Divisor
B
Least Common Multiple
C
Lowest Common Measure
D
Highest Common Multiple
GK Questions answers

Question 4 Explanation: 
Least Common Multiple is also known as LCM or Lowest Common Multiple.

Question 5
What is the LCM of two coprime numbers?
A
1
B
0
C
Addition of two coprime numbers
D
Multiplication of two coprime numbers
Reasoning Questions answers

Question 5 Explanation: 
Coprime numbers have GCD 1. While LCM of coprime numbers is the product of those two coprime numbers.

There are 5 questions to complete.

 

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