Question : Directions: If 617 @ 342 = 572 and 483 @ 342 = 141, then 280 @ 82 = ?
Option 1: 632
Option 2: 891
Option 3: 188
Option 4: 721
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Correct Answer: 891
Solution :
Given:
617 @ 342 = 572; 483 @ 342 = 141
Equation I:
617 @ 342 = 572
617 – 342 = 275; On reversing the order of digits of 275, we get 572.
Equation II:
483 @ 342 = 141
483 – 342 = 141; On reversing the order of digits of 141 we get 141.
Similarly, for
Equation III:
280 @ 82 = ?
280 – 82 = 198; On reversing the order of digits of 198, we get 891.
Hence, the second option is correct.
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