Neco 2024 Geography Question 40

Practice objective / multiple choice question 40 from the 2024 Neco Geography examination.

Neco 2024 Geography Objective / Multiple Choice Medium Difficulty
Question 40 NECO • 2024 • GEOGRAPHY • objective

A mixed rock sample contains granite, basalt and limestone in the volume ratio \(3:2:1\). Their densities are 2.7 g/cm\(^3\), 3.0 g/cm\(^3\) and 2.5 g/cm\(^3\) respectively. The total mass of the sample is \(150\) kg. Calculate the total volume of the sample (in cm\(^3\)) and the mass of each rock type (in kg, to two decimal places).

Answer Options

A. Total volume ≈ 48 000 cm³; Granite mass ≈ 64.80 kg, Basalt mass ≈ 48.00 kg, Limestone mass ≈ 20.00 kg.
B. Total volume ≈ 60 000 cm³; Granite mass ≈ 81.00 kg, Basalt mass ≈ 60.00 kg, Limestone mass ≈ 27.00 kg.
Correct Answer C. Total volume ≈ 54 210 cm³; Granite mass ≈ 73.18 kg, Basalt mass ≈ 54.21 kg, Limestone mass ≈ 22.59 kg.
D. Total volume ≈ 54 210 cm³; Granite mass ≈ 70.00 kg, Basalt mass ≈ 55.00 kg, Limestone mass ≈ 25.00 kg.
Correct Answer
C
Correct Option:
Total volume ≈ 54 210 cm³; Granite mass ≈ 73.18 kg, Basalt mass ≈ 54.21 kg, Limestone mass ≈ 22.59 kg.

About This Question

This is Neco 2024 Geography Question 40. It is one of the objective questions from the 2024 Neco Geography examination.

Difficulty level: Medium .

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