Question

If the marks scored by A&B in a test of 90 marks is 80 and 71, then percentage of difference in their marks is

• A. 10

Answer 1

The correct option is A 10
Given,
Total marks in a test = 90
Marks obtained by A = 80
Marks obtained by B = 71
Difference in marks obtained = 80 - 71
= 9
Then,
Percentage of difference in their marks$=\frac{9}{90}\times 100=10\%$