The average percentage of marks obtained by student P in Maths in five periodicals was exactly equal to the average percentage of marks obtained by Student R in the five periodicals in which of the following subjects ?
Solution
Total marks obtained by student P in Maths = 40 + 30 + 45 + 20 + 35 = 170
=> Average marks of P in Maths = $$\frac{170}{5} = 34$$
Marks scored by student R in subject :
Maths = 30 + 36 + 40 + 45 + 40 = 191
Science = 48 + 46 + 31 + 40 + 80 = 245
History = 35 + 45 + 40 + 30 + 35 = 185
Geography = 25 + 35 + 48 + 37 + 25 = 170
=> Average marks of R in Geography = $$\frac{170}{5}=34$$
