In A,B,C are having some marbles with each of them. A has given B and C the same number of marbles they already have to each of them. then, B gave C and A the same no. of marbles they have, then C gave A and B the same no. of marbles they have. At the

end A,B,and C have equal no. of marbles.

(i) If x,y,z are the marbles initially with A,B,C respectively. then the no of marbles B have at the end

(a) 2(x-y-z) (b) 4(x-y-z) etc.

(ii)If the total no. of marbles are 72, then the no. of marbles with A at the starting

a. 20 b. 30 c. 32