Q. A fuel of octane rating 85 matches the antiknock qualities of mixture consisting of (Solved)
1. 85% heptane + 15% octane
2. 85% octane + 15% heptane
3. 85% petrol + 15% diesel
4. 85% benzene + 15% methyl alcohol
5. 15% petrol + 85% diesel
- b. 85% octane + 15% heptane