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Simple interest at a fixed rate and time changes in direct proportion with the:

ABank name
BBranches
CWeekday
DPrincipal
Answer & Solution
Correct answer: D. Principal
1. Double the principal, double the interest. 2. Simple interest is directly proportional to principal. 3. Compound interest does not behave so simply. _Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._
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