The average mark of student in 4 subjects is 75. If the student obtained 80 marks in the fifth subject, then the new average is-
A. 72.5
B. 76
C. 77
D. 77.5
Answer: Option B
Solution(By Examveda Team)
Sum of marks in 4 subjects= 75 × 4
= 300
Sum of marks in 5 subjects
= 300 + 80
= 380
∴ New average
= $$\frac{380}{5}$$
= 76
Related Questions on Average
A. 125 km/hr
B. 75 km/hr
C. 135 km/hr
D. 120 km/hr
Join The Discussion