The average weight of A B and C is 40 kg . if the average weight of A and B be 48 kg and that of B and C be 45 kg , then find the weight of B ?

The average weight of P, Q and R is 93 kg. If the average weight of P and Q is 89 kg and that of Q and R average weight is 96.5 kg ,  then the weight (in kg) of Q is____.

A group consists of 25 men and 20 women. The average weight of men is 48 kg and that of women is 30 kg. The average weight of the group is

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

Mrs. Reena’s family has 10 males and a few women, the average monthly consumption of Wheat per head is 8 kg. If the average monthly consumption of Wheat per head be 10 kg in the case of males and 6 kg in the case of women, find the number of women in Reena’s family?

The average price of three furniture items is Rs 15,000. If the ratio of their prices is 3: 5: 7, then the cheapest furniture price is-

In a class of 50 students there are 27 girls. The average weight of these girls is 45 kg and average weight of the full class is 49.6 kgs. What is the average weight of the boys of the class?