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Sainik School Entrance Exam 2019 Solved Paper
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© examsnet.com
Question : 5
Total: 150
[
(
1
2
)
−
1
+
(
2
3
)
2
−
(
3
4
)
0
]
−
2
is equal to:
81
484
81
169
169
81
16
81
Validate
Solution:
[
(
1
2
)
−
1
+
(
2
3
)
2
−
(
3
4
)
0
]
−
2
=
[
2
+
4
9
−
1
]
−
2
=
[
13
9
]
−
2
=
[
9
13
]
2
[
∵
(
y
x
)
−
1
=
x
y
]
=
9
×
9
13
×
13
=
81
169
.
© examsnet.com
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