(D) The given series is $2, 6, 12, 20, 30, 42, 56, (\ldots)$.We can observe the pattern as follows:$1 \times 2 = 2$$2 \times 3 = 6$$3 \times 4 = 12$$4

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(D) The given series is $2, 6, 12, 20, 30, 42, 56, (\ldots)$.We can observe the pattern as follows:$1 \times 2 = 2$$2 \times 3 = 6$$3 \times 4 = 12$$4 \times 5 = 20$$5 \times 6 = 30$$6 \times 7 = 42$$7 \times 8 = 56$The pattern follows the product of consecutive integers $n \times (n+1)$.Therefore,the next term is $8 \times 9 = 72$.

Competitive Reasoning Series completion Series completion

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Fill in the blank space for the given series with the correct alternative.
$2, 6, 12, 20, 30, 42, 56, (\ldots)$

A
$60$
B
$64$
C
$70$
D
$72$

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Fill in the blank space for the given series with the correct alternative.$2, 6, 12, 20, 30, 42, 56, (\ldots)$

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Choose the correct alternative to fill in the blanks in the series: $...c...bd.....cbcda.....a...db...a$

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These questions are based on the following set of numbers.$738, 495, 329, 653, 849$If in each number the first and the third digits are interchanged and the newly formed numbers are arranged in ascending order,which number will be the third?

Fill in the blank space for the given series with the correct alternative.$19, 2, 38, 3, 114, 4, (...)$

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Fill in the blank space for the given series with the correct alternative.
$2, 6, 12, 20, 30, 42, 56, (\ldots)$

These questions are based on the following set of numbers.
$738, 495, 329, 653, 849$
If in each number the first and the third digits are interchanged and the newly formed numbers are arranged in ascending order,which number will be the third?

Fill in the blank space for the given series with the correct alternative.
$19, 2, 38, 3, 114, 4, (...)$

Fill in the blank space for the given series with the correct alternative.
$1, 2, 3, 6, 9, 18, (...), 54$