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CDS Model Paper 5 Mathematics
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© examsnet.com
Question : 3
Total: 100
If
m
and
n
are natural numbers such that
2
m
−
2
n
=
960
, what is the value of
m
?
10
12
16
Cannot be determined
Validate
Solution:
From option (a),
2
10
−
2
n
=
960
⇒
1024
−
2
n
=
960
⇒
2
n
=
64
∴ n = 6
Similarly we can try for options (b) and (c). Hence, any other option does not satisfy the given equation.
© examsnet.com
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