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UPSC NDA II 2014 Mathematics Paper
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© examsnet.com
Question : 5
Total: 120
What is
(
1001
)
2
equal to ?
[NDA II 2014]
(
5
)
10
(
9
)
10
(
17
)
10
(
11
)
10
Validate
Solution:
1
×
2
0
=
1
0
×
2
1
=
0
0
×
2
2
=
0
1
×
2
3
=
8
(
1001
)
2
=
1
+
0
+
0
+
8
=
(
9
)
10
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