The average weight of 7 persons increases by 3 kg when a new person comes in place of one of them weighing 56 kg. What might be the weight of the new person?
A66 kg
B77 kg
C59 kg
D71 kg
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
In a set of three numbers, the average of the first two numbers is 7, the average of the last two numbers is 10, and the average of the first and the last numbers is 14. What is the average of the three numbers?
ഒരു കമ്പനിയിൽ 50 ജീവനക്കാരുണ്ട്. 64 കിലോ ഭാരമുള്ള ഒരു ജീവനക്കാരൻ വിരമിച്ചു. ഒരു പുതിയ ജീവനക്കാരൻ കമ്പനിയിൽ ചേർന്നു. ശരാശരി ഭാരം 250 ഗ്രാം വർദ്ധിച്ചാൽ, പുതിയ ജീവനക്കാരന്റെ ഭാരം എത്രയാണ് ?
The average of first 120 odd natural numbers, is:
The average of 10 numbers is 12. If 3 is subtracted from each number, what will be the new average?
The ratio of the number of boys and girls in a class is 5 : 7. The average weight of boys is 56 kg and that of girls is 50 kg. What is the average weight (in kg) of all the boys and girls in the class?