Which of the given numbers will replace the ? in the given series.
10, 18,34, ?, 130, 258

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Solution

The correct option is A 66
The next term of this series is 2 deducted from twice the previous term.
$10 \times 2 = 20 - 2 = 18$
$18 \times 2 = 36 - 2 = 34$
$34 \times 2 = 68 - 2 = 66$
$66 \times 2 = 132 - 2 = 130$
$130 \times 2 = 260 - 2 = 258$
So, option D

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Which of the given numbers will replace the ? in the given series.10, 18,34, ?, 130, 258

The correct option is A 66The next term of this series is 2 deducted from twice the previous term.10×2=20−2=18 18×2=36−2=3434×2=68−2=6666×2=132−2=130130×2=260−2=258So, option D

Which of the given numbers will replace the ? in the given series.
10, 18,34, ?, 130, 258

The correct option is A 66
The next term of this series is 2 deducted from twice the previous term.
$10 \times 2 = 20 - 2 = 18$
$18 \times 2 = 36 - 2 = 34$
$34 \times 2 = 68 - 2 = 66$
$66 \times 2 = 132 - 2 = 130$
$130 \times 2 = 260 - 2 = 258$
So, option D