Daily Dose of Solved Questions Sep 28

Averages | CSAT 2019 | Daily Dose of Solved Questions Sep 28| Civil Services Prelims UPSC | IAS | CSAT MANTRA

Suppose the average weight of 9 persons is 50 Kg. The average weight of first 5 persons is 45 Kg, whereas the average weight of the last 5 persons is 55 Kg. Then the weight of the 5 person will be?

(a) 45 Kg  

(b) 47.5 Kg 

(c) 50 Kg 

(d) 52.5 Kg