Question 9

Find the missing number in the following series:

43, 172, 86, 344, ?

Solution

The pattern followed is that the numbers are alternatively multiplied by '4' and $$'\frac{1}{2}'$$

43 $$\times4$$ = 172

172 $$\times\frac{1}{2}$$ = 86

86 $$\times4$$ = 344

344 $$\times\frac{1}{2}$$ = 172

=> Ans - (B)

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