JAMB Mathematics 2013 Objective — Question 15
Question 15 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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If r varies inversely as the square root of s and t, how does s vary with r and t?
- A. A. s varies directly as r and t²
- B. B. s varies directly as r and t
- C. C. s varies directly as r and t²
- D. D. s varies directly as r² and tCorrect
Explanation
r∝1/√(st) → r²∝1/st → s∝1/(r²t) → s varies inversely as r² and t.
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