Test:
Factors II - Challenging
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Question 1:
Solve:
${\left(\frac{9}{25}\right)}^{\frac{1}{2}}+{\left(\frac{16}{25}\right)}^{\frac{1}{2}}-\sqrt{\frac{9}{25}+\frac{16}{25}}$
A
$\frac{1}{2}$
B
$0$
C
$1$
D
$\frac{2}{5}$
Question 2:
Solve:
$\sqrt{0.09}+\sqrt{0.81}-\sqrt{0.49}$
A
$0.2$
B
$1$
C
$0.5$
D
$0.6$
Question 3:
Which of the following sets of numbers are the factors of
$129$
?
A
$1,3,43,129$
B
$1,3,47,129$
C
$1,129$
D
$1,3,63,129$
Question 4:
Which of the following sets of numbers are the factors of
$136$
?
A
$1,2,4,8,17,34,68,136$
B
$1,2,4,16,32,64,136$
C
$1,2,3,6,7,18,42,136$
D
$1,2,3,6,23,46,69,136$
Question 5:
Which of the following sets of numbers are prime numbers?
A
$33,701,727$
B
$73,157,801$
C
$97,739,883$
D
$71,141,547$
Question 6:
Which of the following sets of numbers are factors of
$318$
?
A
$1,3,54$
B
$3,6,57$
C
$2,3,53$
D
$2,6,51$
Question 7:
$11$
is a factor of which the following sets of numbers?
A
$77,144,165$
B
$110,166,231$
C
$111,154,187$
D
$121,187,880$
Question 8:
Which of the following sets of numbers are prime factors of
$486$
?
A
3
B
$2,3,5$
C
$3,5$
D
$2,3$
Question 9:
Find LCM (the lowest common multiple) of
$88,99$
A
$396$
B
$1089$
C
$8712$
D
$792$
Question 10:
Find HCF (the highest common factor) of
$27$
and
$81$
A
$27$
B
$9$
C
$6$
D
$3$
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