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Other
Quantitative Aptitude
HCF and LCM
The LCM of 16...
Question
The LCM of
(
16
−
x
2
)
and
(
x
2
+
x
−
6
)
is:
A
(x - 3)(x + 3)
(
4
−
x
2
)
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B
4
(
4
−
x
2
)
(x + 3)
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C
(
4
−
x
2
)
(x - 3)
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D
None of these
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Solution
The correct option is
D
None of these
16 -
x
2
= (4 - x) (4 + x) and
x
2
+ x - 6 = (x + 3)(x - 2)
The required LCM = (4 - x)(4 + x)(x + 3)(x - 2).
Option (d) is correct.
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5
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Q.
Which of the following is a quadratic equation?
(a)
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(b)
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(c)
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(d) None of these
Q.
g
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=
⎧
⎨
⎩
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<
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for
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Area of the region in which point p(x, y), {x > 0} lies; such that
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∣
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t
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n
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x
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1
<
x
<
4
4
−
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x
>
4
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The term independent of x in the expansion of
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