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SSC Board Practice
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Class VI
Class VII
Class VIII
Class IX
Class X
SSC Grade X - Real Numbers
Question
1
1.
Find the LCM of
{800,160,720}
7199
7201
7202
7198
7200
Question
2
2.
Find the prime factorization of
672
2
5
✕
1
✕
7
2
5
✕
3
✕
7
2
4
✕
3
✕
7
2
5
✕
6
✕
7
2
5
✕
3
✕
7
2
Question
3
3.
If
(
x
2
+
y
2
)
=
z
2
, then which of the following is true?
log
x
(
z
+
y
)
+
log
x
(
z
−
y
)
=
2
log
(
z
+
y
)
log
(
z
−
y
)
=
3
log
x
(
z
+
y
)
−
log
x
(
z
−
y
)
=
2
log
x
(
z
+
y
)
+
log
x
(
z
−
y
)
=
4
log
x
(
z
+
y
)
+
log
x
(
z
−
y
)
=
5
Question
4
4.
The base exponent form of
log
4
16
=
2
is
4
=
16
7
2
=
16
4
2
=
16
2
4
=
16
4
3
=
16
Question
5
5.
Simplify the expression
(-4)
-5
✕
(-4)
-5
(-4)
-9
(-1)
-10
(-4)
-10
(-4)
-11
(-7)
-10
Question
6
6.
Find the prime factorization of
405
3
4
✕
5
6
4
✕
5
3
4
✕
4
3
4
✕
2
3
4
✕
5
2
Question
7
7.
8.8 =
880
22
25
11
125
44
5
88
Question
8
8.
Find the prime factorization of
33
3
✕
9
3
✕
11
5
✕
11
3
✕
10
3
✕
11
2
Question
9
9.
log
73
+
log
91
=
log
6641
log
6646
log
6643
2
log
6643
log
6642
Question
10
10.
log
38
8
−
log
38
5
=
log
38
3
log
38
2
log
38
4
log
40
3
log
36
3
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