Question
42.5% of 20% of 960 = x + 18.4, then find the sum of the
squares of each digit in 'x'.Solution
ATQ,
42.5% of 20% of 960 = x + 18.4
Or, (17/40) × (20/100) × 960 = x + 18.4
Or, 81.6 = x + 18.4
Or, x = 81.6 − 18.4 = 63.2
Now, ignore decimal and take only digits: 6, 3, 2
Required sum = 6² + 3² + 2² = 36 + 9 + 4 = 49
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