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Standard X
Mathematics
Method of Finding HCF
Question
The number of possible pairs of number, whose product is 5400 and the HCF is 30 is
2
4
1
3
A
1
B
3
C
4
D
2
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Solution
Verified by Toppr
G
i
v
e
n
t
h
a
t
p
r
o
d
u
c
t
o
f
t
h
e
n
u
m
b
e
r
i
s
5400
=
30
×
3
×
2
×
30.
∴
P
o
s
s
i
b
l
e
p
a
i
r
s
a
s
p
e
r
t
h
e
r
e
q
u
i
r
m
e
n
t
a
r
e
−
(
1
)
30
×
(
3
×
2
×
30
)
=
30
×
180
(
2
)
(
30
×
3
)
×
(
2
×
30
)
=
90
×
60
∴
T
o
t
a
l
n
u
m
b
e
r
o
f
p
a
i
r
s
=
2
(
A
n
s
)
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