Question : Direction: In this question, some equation are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.
462 = 551
398 = 487
856 = ?
Option 1: 745
Option 2: 773
Option 3: 945
Option 4: 743
Correct Answer: 945
Solution : Here, in the given equations hundreds place digit is increased by 1 and tens and units place digits are reduced by 1.
⇒ 462 = 551
⇒ 398 = 487
Similarily, following the same pattern, we have–
⇒ 856 = 945
Hence, option third is correct.
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