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Quantitative Aptitude
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If q= 999, th...
Question
If q= 999, then the value of
q
(
q
2
+
3
q
+
3
)
is
A
999999
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B
99999
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C
999999999
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D
none of these
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Solution
The correct option is
C
999999999
Given q=999
Then
q
(
q
2
+
3
q
+
3
)
=
q
(
q
2
+
4
q
+
4
−
q
−
1
)
=
q
(
(
q
+
2
)
2
−
(
q
+
1
)
)
Put the value q=999
Then
999
(
(
999
+
2
)
2
−
(
999
+
1
)
)
=
999
(
(
1001
)
2
−
1000
)
=
999
(
1002001
−
1000
)
=
999
×
1001001
=
999999999
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0
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