1.

By an engine the consumption of coal is directly pro portional to the square of its velocity. When velocity is 50 mile/hour then consumption is 100 kg. If cost of coal is 25paise /kg, and expenditure is 9 Rs./hour in second case. Then find the consumption in travelling 250 mile.

Answer»

325 KG.
300 kg.
225 kg.
270 kg.

ANSWER :B


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