In the question the numbers are arranged in a certain order In one place a question mark is given Find out which one of the answers will replace the question mark ?
A
5
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B
7
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C
4
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D
6
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Solution
The correct option is B 4 From I 13 + 8 = 6 + 15 = 7 + 14 From II 13 + 12 = 6 + 19 = 18 + 7 ∴∴ From III ? + 13 = 17 ⇒⇒ ? = 17 - 13 = 4.