5
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What is the missing number in the question mark?
(My own puzzle)

$(4, 3, 2),(4, 4, 4),(7, 9, 3),(8, 8, 4),(4, 12, 2),( 5, ?, 10)$

A) $1$
B) $3$
C) $5$
D) $10$
E) $66$
F) $14$

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1 Answer 1

4
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My Answer:

The answer is 10.

Logic:

Arithmetic progression of the units after; (Product of any two numbers out of three) + Remaining number.

Interpretation:

1. (3*2) +4= 10
2. (4*4) +4= 20
3. (7*3) +9= 30
4. (8*4) +8= 40
5. (12*4)+2= 50

Now the required answer,

5*10+X = 60
X = 10

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  • 1
    $\begingroup$ Congratulations, that is the right answer. $\endgroup$
    – PDT
    Commented Sep 14, 2019 at 22:46

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