MCA
Exam
In a school, three classes took the same examination.class A contained 30 pupils and the average mark for the class was 66.class B contained 22 pupils and the average mark for the class was 56.class C contained 20 pupils.The average obtained by all the pupils together was 1.5.calculate the average mark of class C.
Read Solution (Total 3)
-
- average marks of c is 60.8
- 10 years agoHelpfull: Yes(0) No(0)
- For Class A total marks is 66*30=1980
For Class B total marks is 56*22=1232
Total avg. is 61.5 and total pupils are 72 so total marks=61.5*72=4428
now 4428-1980-1232=1216
avg mark of class C=1216/20=60.8
- 10 years agoHelpfull: Yes(0) No(0)
- ans is 60.5
- 10 years agoHelpfull: Yes(0) No(0)
MCA Other Question