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Find the missing number: 3 4 2 3 1 8 5 3 2 1 5 6 4 5 1 8 6 5 4 2 7 8 4 5 ?
Question

Find the missing number:

3
4
2
3
1
8
5
3
2
1
5
6
4
5
1
8
6
5
4
2
7
8
4
5
?

A.

1

B.

3

C.

2

D.

4

Correct option is B

Logic: (1st × 4th) − (2nd × 3rd) = 5th
Check:
Row1 → (3×3) − (4×2) = 9 − 8 = 1 ✔
Row2 → (8×2) − (5×3) = 16 − 15 = 1 ✔
Row3 → (5×5) − (6×4) = 25 − 24 = 1 ✔
Row4 → (8×4) − (6×5) = 32 − 30 = 2 ✔
Apply Row5:
(7×5) − (8×4) = 35 − 32 = 3
Final Answer:
3
Final Correct Option:
B

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