JSCE Mathematics 2023 Objective — Question 77
Question 77 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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Chinedu has identical drinking glasses each in the shape of a right circular cylinder with internal diameter of 3 inches. He pours milk from a gallon jug into each glass until it is full. If the height of milk in each glass is about 6 inches, what is the largest number of full milk glass that he can pour from one gallon of milk? (note: There are 231 cubic inches in 1 gallon)
- A. 2
- B. 4
- C. 5Correct
- D. 6
Explanation
Volume of one glass = π x 1.5² x 6 = 42.4 cubic inches. 231 / 42.4 = 5.4, so 5 full glasses.
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