Select the number from among the given options that can replace the question mark (?) in the following series. 10, 22, 42, 86, 170, 340, ?

June 17, 2023

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Select the number from among the given options that can replace the question mark (?) in the following series. 10, 22, 42, 86, 170, 340, ?

Question	Select the number from among the given options that can replace the question mark (?) in the following series. 10, 22, 42, 86, 170, 340, ?
Type	multiple_choice
Option	743	incorrect
Option	631	incorrect
Option	634	incorrect
Option	678	correct
Solution	10 × 2 + 2 = 22 22 × 2 – 2 = 42 42 × 2 + 2 = 86 86 × 2 – 2 = 170 170 × 2 + 2 = 340 340 × 2 – 2 = 678 10, 22, 42, 86, 170, 340, 678.

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Select the number from among the given options that can replace the question mark (?) in the following series. 10, 22, 42, 86, 170, 340, ?

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Tags: ssc reasoning

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