App Logo

No.1 PSC Learning App

1M+ Downloads
Average marks of total 8 subjects were calculated to be 74. Later it was discovered that marks of 1 subject was misread as 98 instead of 89. What is the correct average?

A68.75

B70.25

C72.875

D82.5

Answer:

C. 72.875

Read Explanation:

Total marks in 8 subjects = 74 × 8= 592 ⇒ Corrected marks = 592 - 98 + 89 = 583 Correct average = 583/8 = 72.875


Related Questions:

The average age of 10 children in a group is 15. If two people aged 20 and 22 join the group, what will be the new average age of the group?
Eight persons went to a bar. Seven of them spent Rs. 800 each and 8th person spent Rs. 210 more than the average expending of all the 8 persons. What was the total money spent by them?
The average of first 126 odd natural numbers, is:
The average age of 7 people in a family is 24 years, If the age of the youngest member of the family is 3 years, what was the average age of the family at the birth of the youngest member?
The average age of 20 students is 12 years. If the teacher's age is included ,average increases by one. The age of the teacher is