Test:
Factors II - Normal
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Question 1:
Solve:
$\sqrt{16}+\sqrt{25}$
A
$9$
B
$11$
C
$\sqrt{41}$
D
$6.4$
Question 2:
Solve:
${2}^{2}\cdot {3}^{2}\cdot {5}^{2}$
A
$60$
B
$900$
C
$800$
D
$100$
Question 3:
Which of the following sets of numbers are factors of
$54$
?
A
$1,2,3,9,12,24,27,54$
B
$1,2,6,9,14,18,27,54$
C
$1,2,3,6,9,18,27,54$
D
$1,2,3,6,12,27,54$
Question 4:
Which of the following sets of numbers are factors of
$46$
?
A
$1,2,6,8,46$
B
$1,2,23,46$
C
$1,2,4,6,9,46$
D
$1,2,3,12,46$
Question 5:
Which of the following sets of numbers are prime numbers?
A
$11,17,53$
B
$3,7,14$
C
$13,19,51$
D
$5,23,57$
Question 6:
Which of the following sets of numbers are factors of
$18$
?
A
$1,2,3,4,6,9$
B
$1,2,3,9,12,18$
C
$2,3,4,6,9$
D
$1,2,3,6,9,18$
Question 7:
$7$
is a factor of which of the following sets of numbers?
A
$42,77,84$
B
$7,21,27$
C
$28,41,56$
D
$21,49,57$
Question 8:
Which of the following sets of numbers are prime factors of
$120$
?
A
$2,3,7$
B
$2,3,5$
C
$1,2,3,5$
D
$1,2,3,7$
Question 9:
Find LCM (the lowest common multiple) of
$45$
and
$55$
A
$365$
B
$245$
C
$495$
D
$110$
Question 10:
Find HCF (the highest common factor) of
$60$
and
$75$
A
$10$
B
$5$
C
$25$
D
$15$
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