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Missing Number Finding
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Find the missing number?
Missing Number Finding mcq question image

Answer & Solution
Correct Answer: Option C
Logic ( Row-wise):
First Element + Second element = Result
2 * Result + 1 = Third element.

So, Missing number,
3 + 7 = 10
2 * 10 + 1 = x
x = 21.
Required Number = 21.
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