12, 35, 81, 173, 357, (?) | vedclass

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Question

(A) The pattern in the series is based on the addition of consecutive terms that double each time.$12 + 23 = 35$$35 + 46 = 81$$81 + 92 = 173$$173 + 18

Vedclass · Accepted Answer

$725$

Vedclass · Answer

(A) The pattern in the series is based on the addition of consecutive terms that double each time.$12 + 23 = 35$$35 + 46 = 81$$81 + 92 = 173$$173 + 184 = 357$The differences are $23, 46, 92, 184, ...$ which follow the pattern of multiplying by $2$ $(23 	imes 2 = 46, 46 	imes 2 = 92, 92 	imes 2 = 184)$.The next difference should be $184 	imes 2 = 368$.Therefore,the next term is $357 + 368 = 725$.

$848$	$420$	$206$	$99$	$45.5$
$664$	$(A)$	$(B)$	$(C)$	$(D)$	$(E)$

$12, 35, 81, 173, 357, (?)$

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Find out the odd number from the given sequence: $850, 600, 550, 500, 475, 462.5, 456.25$.

$\frac{2}{3}, \quad \frac{4}{7}, \quad ?, \quad \frac{11}{21}, \quad \frac{16}{31}$

Observe the following table and determine which number will come in place of $(D)$:
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$664$ $(A)$ $(B)$ $(C)$ $(D)$ $(E)$

What will come in place of the question mark $(?)$ in the following number series?
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