Hello Candidate,

By viewing your statement , you able to achieve atleast 85 percent above. This is good score in CBSE.

Past few years question papers helps candidate to achieve good score in CBSE exam. You have solved last 10 years ,it is too good.

Be patient while answer the question it also helps you to increase your percent little more.

Hope this helps you.

If you have any questions remain than comment below.

Regards.