Waec Model Questions Vol6 2024 Mathematics Question 23

Practice objective / multiple choice question 23 from the 2024 Waec Model Questions Vol6 Mathematics examination.

Waec Model Questions Vol6 2024 Mathematics Objective / Multiple Choice Medium Difficulty
Question 23 WAEC_MODEL_QUESTIONS_VOL6 • 2024 • MATHEMATICS • objective

The time \(t\) (in minutes) required to fill a tank varies directly as the volume \(V\) (in litres) and inversely as the square root of the pressure \(P\) (in kPa). If it takes 12 minutes to fill a 180‑litre tank when the pressure is 25 kPa, find the time needed to fill a 300‑litre tank when the pressure is 40 kPa. Give your answer in simplest exact form.

Answer Options

A. 5\sqrt{2}
B. 5\sqrt{5}
Correct Answer C. 5\sqrt{10}
D. 10\sqrt{10}
Correct Answer
C
Correct Option:
5\sqrt{10}

About This Question

This is Waec Model Questions Vol6 2024 Mathematics Question 23. It is one of the objective questions from the 2024 Waec Model Questions Vol6 Mathematics examination.

Difficulty level: Medium .

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