Q10. A petrol pump owner mixed leaded and unleaded petrol in such a way such that the mixture contains 10% unleaded petrol. What quantity of leaded petrol should be added to 1 litre mixture, so that the percentage of unleaded petrol becomes 5%?
Allegation and mixture method prefer
Answers
Answered by
1
Answer:
1000/5×10
1000×2
2000
Answered by
1
Answer:
10%of 1000=100 unleaded
900ml is leaded.
to make percentage of uleaded petrol 5%, 1000 ml leaded petrol is added.
to find percentage of unleaded after adding 1000 ml leaded petrol
(100/2000)*100=5%
Step-by-step explanation:
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