If the average weight of 6 students is 50 kg; that of 2 students is 51 kg; and that of other 2 students is 55 kg; then the average weight of all students is
A52 kg
B51.2 kg
C51.5 kg
D61 kg
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The sum of 10 numbers is 408. Find their average.
In an examination, the average was found to be 50 marks. After deducting computerization errors, the marks of 100 candidates had to be changed from 90 to 60 each and average came down to 45 marks. The total number of candidates who took the examination was:
What was the average age of a couple 5 years ago if their current average age is 30?
29,x ,x +15,108 ഇവയുടെ ശരാശരി 73.5 ആണെങ്കിൽ x എത്ര?
The average weight of 12 boxes is 63 kg. If four boxes having an average weight of 70 kg are removed, then what will be new average weight of the remaining boxes?