alleryBacteria in a culture double every hour. Their counts hour by hour form a:
AArithmetic progression
BConstant sequence
CFalling sequence
DGeometric progression
Answer & Solution
Correct answer: D. Geometric progression
1. Each count is twice the last.
2. A fixed multiplier means a constant ratio.
3. So the counts form a geometric progression.
_Source: syllabus Mathematics, Chapter 8, Sequences and Series._
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