If my marks in maths are less than your markes in Maths by `20%` then your marks in Maths are `25%` more than my marks in Maths. (True/False)

Rita scored 20 marks more in Maths than the marks scored in English. Give an expression for: a. her marks in English if her marks in Maths are x. b. her marks in Maths if her marks in English are y.

Vicky scored x marks in Maths and Rakesh scored x^3 marks in Maths. The proudct of their marks was 256. Find their marks.

If Ramesh score 50 marks in English and 60 marks in Math. Find out the average marks he secure.

Varun secured x marks in Maths and Rahul secured x^2 marks in Maths. The product of their marks was 729. Find their marks.

There are 25 boy students and 20 girls students in a school. The average of marks in math of 25 boy students is 52 and the average of marks in math of 20 girl-students is 48. Find the average of marks obtained by the students of the school as a whole.