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Delhi University MCA Number System Previous Year Questions (PYQs)
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Delhi University MCA Number System Previous Year Questions (PYQs)
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Delhi University MCA
Previous Year Questions
Delhi University MCA
Previous Year Questions
Delhi University MCA
Qus : 1
2
1296
+
x
2
=
60
of 70. Then value of x is
1
5
2
6
3
7
4
8
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Video Solution
Discussion
✓
Solution
Qus : 2
2
Given that
3
x
=656. The value of
5
x
−
5
is ...
(a) 81
(b) 125
(c) 225
(d) 1/125
1
(a)
2
(b)
3
(c)
4
(d)
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Video Solution
Discussion
✓
Solution
Qus : 3
1
If 2
x
= (1024)
1/5
, what is the value of x ?
1
2
2
1
3
3
4
4
View Solution
Video Solution
Discussion
✓
Solution
2
x
=
1024
1
5
2
x
=
(
2
10
)
1
/
5
2
x
=
2
10
/
5
2
x
=
2
2
x
=
2
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