Question : Direction: In each of the following questions, some equations are solved based on a certain system. Find out the correct answer for the unsolved equation on that basis.
2 × 4 × 6 = 4 ; 9 × 3 × 7 = 13 ; 4 × 7 × 6 = 3 ; 9 × 7 × 8 = ?
Option 1: 10
Option 2: 09
Option 3: 08
Option 4: 07
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Correct Answer: 10
Solution : Given:
2 × 4 × 6 = 4 ⇒ 2 – 4 + 6 = 4
9 × 3 × 7 = 13 ⇒ 9 – 3 + 7 = 13
4 × 7 × 6 = 3 ⇒ 4 – 7 + 6 = 3
Similarly , 9 × 7 × 8 = 10 ⇒ 9 – 7 + 8 = 10
Hence, the first option is correct.
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