4, 196, 16, 169, ?, 144, 64 | vedclass

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Question

(C) The series is a combination of two alternating sequences.Sequence $1$ (at odd positions): $4, 16, ?, 64$These are squares of even numbers: $2^2 =

Vedclass · Accepted Answer

$36$

Vedclass · Answer

(C) The series is a combination of two alternating sequences.Sequence $1$ (at odd positions): $4, 16, ?, 64$These are squares of even numbers: $2^2 = 4, 4^2 = 16, 6^2 = 36, 8^2 = 64$.Sequence $2$ (at even positions): $196, 169, 144$These are squares of decreasing integers: $14^2 = 196, 13^2 = 169, 12^2 = 144$.Comparing the two sequences,the missing term belongs to the first sequence,which is $6^2 = 36$.

$11$	$15$	$38$	$126$
$7$	$(a)$	$(b)$	$(c)$

$2$	$4$	$9$	$20$	$43$	$90$
$3$	$(A)$	$(B)$	$(C)$	$(D)$	$(E)$

$4, 196, 16, 169, ?, 144, 64$

Similar Questions

$11$ $15$ $38$ $126$
$7$ $(a)$ $(b)$ $(c)$

Which of the following numbers will come in place of $(c)$?

In the following number series,one of the numbers does not fit into the series. Mark the wrong number in the series.
$225 \quad 289 \quad 374 \quad 397 \quad 415 \quad 424$

Find out the odd number from the given sequence: $15, 21.5, 46.5, 145, 585.5, 2933, 17603.5$.

$2$ $4$ $9$ $20$ $43$ $90$
$3$ $(A)$ $(B)$ $(C)$ $(D)$ $(E)$

Which of the following numbers will come in place of $(D)?$

$1, 1, 4, 8, 9, 27, 16, ?$

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