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If n is a positive even integer, which of the following represents t
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12 Feb 2021, 06:28
12 Feb 2021, 06:28
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If n is a positive even integer, which of the following represents the product of n and the consecutive even integer following n?
A. \(n^2+2
\)
B. \((n+2)^2\)
C. \(n^2+2n\)
D. \(2n^2\)
E. It cannot be determined
Kudos for the right answer and explanation
A. \(n^2+2
\)
B. \((n+2)^2\)
C. \(n^2+2n\)
D. \(2n^2\)
E. It cannot be determined
Kudos for the right answer and explanation
Re: If n is a positive even integer, which of the following represents t
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12 Feb 2021, 07:48
12 Feb 2021, 07:48
2
Take the value of n and put into options.
Take n=4 So next consecutive is 6. So product will be 24
a) \(n^2+2\) = 16+2 = 18
b) \((n+2)^2\) = 36
c) \(n^2+2n\) = 16+8 = 24
d) \(2n^2\) = 32
Here, if we take n =2 then option C & D will have same value. Hence One should try with other no as well.
By using 4 we will get only option C as answer.
Answer C
Take n=4 So next consecutive is 6. So product will be 24
a) \(n^2+2\) = 16+2 = 18
b) \((n+2)^2\) = 36
c) \(n^2+2n\) = 16+8 = 24
d) \(2n^2\) = 32
Here, if we take n =2 then option C & D will have same value. Hence One should try with other no as well.
By using 4 we will get only option C as answer.
Answer C
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If n is a positive even integer, which of the following represents t
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13 Feb 2021, 05:43
13 Feb 2021, 05:43
Series: n, (n+1), (n+2), (n+3), (n+4), ......
Consecutive Even: n, (n+2), (n+4), ......
Product of first 2 Even terms = n x (n+2) = \(n^2\) + 2n
Hence, option C
Consecutive Even: n, (n+2), (n+4), ......
Product of first 2 Even terms = n x (n+2) = \(n^2\) + 2n
Hence, option C
