Question

Plzz ,Plzz help me in doing my homework

Answer 1

1. 35/100
=7/20

2. 22/100*180
=39.6

3. 40:100
=2:5

4.total mixture =250
mixture of petrol =89percent.
=89/100*250
=222.5ml

mixture of kerosene =total mixture -mixture of petrol.
=250-222.5
=27.5

5. it is simple and hence answer is 10percent

6. Sold at =5000
brought at =4000
hence it is profit done by person =5000-4000
=1000

profit percent,= 1000/5000*100
=20 percent



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I hope it is helpful. mark as brain list plz