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All solutions here are SUGGESTED. Casey will hold no liability for any errors. Comments are entirely personal opinions. 1.A 2.D 3.C 4.A 5.C 6.A 7.D 8.C 9.A 10.C 11.B 12.A 13.D 14.A 15.A 16.A 17.C [...]

Congratulations on the completion of A’levels for the 2015 batch! As for those who still, are taking A’levels 2016, we hope you find this site helpful. Read the comments (ignore the [...]

Many students have asked me why is there a difference between cross(vector) and dot(scalar) product, after all it is like multiplying. For starters, the former produces a resultant vector while [...]