Neco Model Questions Vol1 2017 Mathematics Question 13

Practice objective / multiple choice question 13 from the 2017 Neco Model Questions Vol1 Mathematics examination.

Neco Model Questions Vol1 2017 Mathematics Objective / Multiple Choice Medium Difficulty
Question 13 NECO_MODEL_QUESTIONS_VOL1 • 2017 • MATHEMATICS • objective

The cost \(C\) (in naira) of producing \(x\) units of a product varies directly as the square of the number of units and inversely as the number of machines \(m\) used. When 5 machines produce 200 units, the cost is ₦8000. How much will it cost to produce 300 units using 8 machines? Also, state the percentage increase in cost compared with the original ₦8000.

Answer Options

Correct Answer A. ₦11250, 40.6%
B. ₦9500, 18.8%
C. ₦10000, 25%
D. ₦12500, 56.3%
Correct Answer
A
Correct Option:
₦11250, 40.6%

About This Question

This is Neco Model Questions Vol1 2017 Mathematics Question 13. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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