GMAT
Exam
undefined
AVEARGE MARK OBTAINED BY GROUP OF 10 STUDENTS IS 41 MARKS.FIND THE NEW AVERAGE IF NEW STUDENT WHO SCORED 63 MARKS IS ALSO INCLUDED IN THIS GROUP..
Read Solution (Total 6)
-
- average mark of 10 student=41*10=410
new student score 63=410+63=473
new average of 11 student -473/11=43 - 9 years agoHelpfull: Yes(0) No(0)
- average mark of 10 students is 41.so a total of 410.
new student mark is 63,so new total=410+63.
total students =11
new average =(410+63)/11=43 - 9 years agoHelpfull: Yes(0) No(0)
- Average mark by group of 10 students is 41. So the total marks becomes = 10*41 = 410.
Now add the mark of the new student with the total = 410+63= 473
Find the new average = 473/11 = 43. - 9 years agoHelpfull: Yes(0) No(0)
- 63= 41+22
now 22 is to be distributed to 11 people therefore each gets 2, now new average is 41+2=43
- 9 years agoHelpfull: Yes(0) No(1)
- Number of students is N=10, Average=41, then the total mark equal=41*10=410
When the new student is added N=11 and the total mark will be 410+63=473
So the new average is 473/11=43 - 8 years agoHelpfull: Yes(0) No(0)
- tot of 10 students=410
avg of 11 students=(410+63)/11=473/11=43 - 8 years agoHelpfull: Yes(0) No(0)
GMAT Other Question