Two types of fuels costing Rs 21 litre and Rs 24 litre are mixed such that the average cost of the resultant mixture is Rs 22 50 litre What should be the amount of first fuel in the mixture if the second fuel is 30 litres 1 49 litres 35 litres 3 25 litres 4 30 litres 5 21 litres 2 Two types of fue...

Let the amount of first fuel be x litres Cost of first fuel Rs 21litre Total cost of first fue ...

Two types of fuels costing Rs. 21/litre and Rs. 24/litre are mixed such that the average...

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Elementary Statistics

ISBN: 978-0538733502

11th edition

Authors: Robert R. Johnson, Patricia J. Kuby

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Two types of fuels costing Rs. 21/litre and Rs. 24/litre are mixed such that the average...

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Elementary Statistics

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