How To Get 250+ Marks in Mathematics

If Rita scored 80 out of 150 marks in Mathematics , then How many percentage marks did Rita get?

Anjali scores 100 marks in Mathematics and x marks in Science.what is her total score in Science and Mathematics?

In a class test,the sum of Shefalis marks in Mathematics and English is 30. Had she got 2 marks more in Mathematics and 3marks less in English,the product of their marks would have been 210. Find her marks in the two subjects.

In a class test, the sum of the marks obtained by P in mathematics and science is 28. Had he got 3 more marks in mathematics and marks less in science, the product of marks obtained in the two subjects would have been 180. Find the marks obtained by him in the two subjects separately.

In a class test,the sum of the marks obtained by P in Mathematics and science is 28. Had he got 3 marks more in Mathematics and 4 marks less in Science.The product of his marks, would have been 180. Find his marks in the two subjects.

Calculate coefficient of correlation between marks in Mathematics and marks in Economics obtained by 10 students.

Calculate coeffcient of correlation between marks in Mathematics and marks in Economics obtained by 10 students.

A third of Arun's marks in Mathematics exceeds a half of his marks in English by 30. If he got 240 marks in the two subjects together, how many marks did he get in English?