The average weight of 60 men sitting in a plane had some value. A new person added to them whose weight was 100 kg only. Due to his arrival, the average weight of all the men decreased by 20 kg. Find the average weight of first 25 men? Choose the correct choice from the following options.
A) 1203
B) 1302
C) 1300
D) 1320
E) 1301
60x + 100 = 61(x â€“ 20)   x = 1320   1320
<result>D</result>
The average weight of 60 men sitting in a plane had some value. A new person added to them whose weight was 100 kg only. Due to his arrival, the average weight of all the men decreased by 20 kg. Find the average weight of first 25 men?