Quick revision: AverageRules, shortcuts, how it is asked, worked examples and traps›
Per paper
~0.5
Years asked
7 of 10
Past questions
17
12 Sep 2020 · shift not stated
Bankersadda/Adda247
Q-AVG-5Q.74
The average weight of a class of 45 girls is 53 kg. It was later found that weight of two girls was read as 49 kg and 57 kg instead of 45 kg and 52 kg. Find the actual average weight of the class.
(a) 54 kg
(b) 53.40 kg
(c) 50.6 kg
(d) 52.80 kg
(e) 51.5 kg
2020 (date not stated) · shift not stated
Oliveboard
Q-AVG-6Q.29
Average monthly fees of all students in a class is Rs. 20000. Average monthly fees of 40 boys is Rs. 16000 and average monthly fees of remaining girls is Rs. 25000. How many students are there in the class?