Question : Directions: If 246 = 8, 624 = 0 and 327 = 6, then 423 = ?
Option 1: 10
Option 2: 9
Option 3: 8
Option 4: 1
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Correct Answer: 1
Solution :
Given:
246 = 8, 624 = 0, 327 = 6
Add the second and the third digits of the number and subtract the first digit from the resultant –
Like, 246 = 8→4 + 6 – 2 = 10 – 2 = 8;
624 = 0→2 + 4 – 6 = 6 – 6 = 0;
327 = 6→2 + 7 – 3 = 9 – 3 = 6;
Similarly, follow the same pattern for 423 = ?→2 + 3 – 4 = 5 – 4 = 1
So, the required missing number is 1. Hence, the fourth option is correct.
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