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Gcd Lcm Recursion Interview
Quiz 1
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Q.1
LCM is also called as ________
a) GCD
b) SCM
c) GCF
d) HCF
Q.2
What is the LCM of 8 and 13?
a) 8
b) 12
c) 20
d) 104
Q.3
Which is the smallest number of 3 digits that is divisible by8?
a) 100
b) 102
c) 116
d) 104
Q.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
Q.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
Q.6
In terms of Venn Diagram, which of the following expression gives LCM (Given A ꓵ B ≠ Ø)?
a) Multiplication of A U B terms
b) Multiplication of A ꓵ B terms
c) Multiplication of A*B terms
d) Multiplication of A-B terms
Q.7
What is the LCM according to the given Venn Diagram?
a) 2
b) 3
c) 180
d) 6
Q.8
What is the lcm (a, b)?
a) a + b
b) gcd (a-b, b) if a>b
c) lcm (b, a)
d) a – b
Q.9
What is the LCM of6?
a) 122
b) 12*2
c) 3
d) 6
Q.10
Is 9 andcoprime number.
a) True
b) False
Q.11
What is the following expression, lcm (a, lcm (b, c) equal to?
a) lcm (a, b, c)
b) a*b*c
c) a + b + c
d) lcm (lcm (a, b), c)
Q.12
Is lcm an associative function.
a) True
b) False
Q.13
Which is the correct term of the given relation, lcm (a, b) * gcd (a, b) =?
a) |a*b|
b) a + b
c) a – b
d) a / b
Q.14
What is the following expression, lcm (a, gcd (a, b)) equal to?
a) a
b) b
c) a*b
d) a + b
Q.15
Which algorithm is the most efficient numerical algorithm to obtain lcm?
a) Euler’s Algorithm
b) Euclid’s Algorithm
c) Chebyshev Function
d) Partial Division Algorithm
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