alleryIf 25% of a number plus 15 equals 40, the number is
Aexactly seventy five
Bexactly two hundred
Cexactly fifty five
Dexactly one hundred
Answer & Solution
Correct answer: D. exactly one hundred
1. Let the number be x; set up 0.25 x + 15 = 40.
2. Subtract 15 from both sides: 0.25 x = 25.
3. Divide by 0.25: x = 100.
4. So the number is 100, written as 'exactly one hundred'.
_Source: ICAI BoS Foundation Paper 3, Ch 1 Unit I 'Ratio', p.8 percentages_
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