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