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Byju's Answer
Standard VII
Mathematics
Comparision of Quantities Using Exponents
If N is the n...
Question
If N is the number of positive integal solution of
x
1
x
2
x
3
x
4
=
770
then N is equal to
A
256
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B
729
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C
900
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D
none of these
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Solution
The correct option is
A
256
Given,
x
1
x
2
x
2
x
4
=
770
but, we have,
770
=
2
×
5
×
7
×
11
all of them are prime
Hence,
Number of ways,
=
4
4
=
256
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Similar questions
Q.
If
N
is the number of positive integral solutions of
x
1
×
x
2
×
x
3
×
x
4
=
770
, then:
Q.
The number of non-negative integral solution of
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≤
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Q.
The number of non - negative integral solutions of
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is any four digit number say
x
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2
,
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Q.
IN is the number of positive integral solutions of
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=
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