An amount of 320 is divided among A,B and C such that A receives 30 more than B and C receives 20 more than A.How much does C receive?

A 130

B 135

C 140

D none of these

Correct Answer: Option B

here, C=A+20 or,C=B+30+20 c=B+50 so,A+B+C=3B+80 or,320=3B+80 or,B=80 so,c=80+50=130