There are $10$ marbles in a box. They are numbered from $1$to $10$. What is the probability of drawing a marble with an even number.

Number of students in seven classes of a school is given below

Represent the data on a bar graph

Find the probability of drawing a face card from a well-shuffled pack of $52$ playing cards?

Anupam appeared for a competitive examination by paying a fee of $₹200$. The examination consisted of $20$ questions with the following marking scheme:

• $+2$ marks for every correct answer

• $-0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions 

The students who pass the exam with merit get the scholarship amount as follows:

• $₹2000$ scholarship for students scoring $90\%$ or more marks

•$₹1000$ scholarship for students scoring between $80\%$ to $90\%$ marks

• $₹500$ scholarship for students scoring between $75\%$ to $80\%$ marks 
Marks obtained by Anupam in the examination were as follows: 

Find the total marks scored by Anupam in the examination.

Anupam appeared for a competitive examination by paying a fee of $₹200$. The examination consisted of $20$ questions with the following marking scheme:

• $+2$ marks for every correct answer

• $-0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions 

The students who pass the exam with merit get the scholarship amount as follows:

• $₹2000$ scholarship for students scoring $90\%$ or more marks

•$₹1000$ scholarship for students scoring between $80\%$ to $90\%$ marks

• $₹500$ scholarship for students scoring between $75\%$ to $80\%$ marks 
Marks obtained by Anupam in the examination were as follows: 

Find the mean marks scored by Anupam (aprroximate to 2 decimals)