UPPSC Prelims 2006 (GS Paper I) Question Paper and Solutions (Page 15)
In three annual examinations, of which the aggregate marks of each was 500, a student secured average marks 45% and 55% in the first and the second yearly examinations respectively. To secure 60% average total marks, it is necessary for him in third yearly examination to secure marks:
A circular road runs around a circular garden. If the sum of the circumferences of the inner and outer circles is 88 metres and the radius of the inner circle is one third of the outer circle, then the width of the road is: