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When a quantity is to be INCREASED by a given ratio, the rule is to multiply by:
AThe reciprocal of the ratio
BThe lesser ratio
CThe square of the ratio
DThe greater ratio
Answer & Solution
Correct answer: D. The greater ratio
1. Per OCR: "When the quantity is increased by given ratio multiply the quantity by greater ratio."
2. Inverse rule applies for decrease (multiply by lesser).
3. Mnemonic: bigger×bigger → bigger.
_Source: ICMAI BoS CMA Foundation Paper 3 (FBMS) — Paper3_07042026.pdf, Module 1 §1.1 (page 11)_