Question

The average weight of p,q,and r is 47 kg. If theavarage weight of p and q be 32.5 kg and that of q and r be 48.5 kg then what is the weight of q ?

Answer 1

(p+q+r)/3=47 ....

(1). .. and (p+q)/2=32.5=p+q=65 put in (1). (65+r)/3=47=65+r=47×3. r=141-65=76