Igcse Model Questions Vol1 2024 Mathematics Question 13

Practice objective / multiple choice question 13 from the 2024 Igcse Model Questions Vol1 Mathematics examination.

Igcse Model Questions Vol1 2024 Mathematics Objective / Multiple Choice Medium Difficulty
Question 13 IGCSE_MODEL_QUESTIONS_VOL1 • 2024 • MATHEMATICS • objective

The time \(t\) (in minutes) required for a machine to process a batch varies directly with the number of items \(n\) and inversely with the speed \(s\) (items per minute). When 120 items are processed at a speed of 30 items per minute, it takes 8 minutes. If the speed is increased by 20% and the batch size is reduced by 15 items, how long will the processing take? Give your answer to two decimal places.

Answer Options

A. 6.12
B. 5.45
C. 7.00
Correct Answer D. 5.83
Correct Answer
D
Correct Option:
5.83

About This Question

This is Igcse Model Questions Vol1 2024 Mathematics Question 13. It is one of the objective questions from the 2024 Igcse Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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