Question 4

Find the missing number 10, 12, 9, 13, 8, __, 7

Solution

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The pattern followed here is alternate addition and subtraction with 2,3,4,5,6

10 + 2 = 12, 

12 - 3 = 9,

9 + 4 = 13,

13 - 5 = 8,

8 + 6 =14........

Hence, option C is the correct answer.

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