10th Class
Mathematics
Sample Paper
Maths Olympiad Model Test Paper-18
question_answer
A cylindrical metallic pipe is 14 cm long. The difference between the outer and inner curved surface area is \[44\,c{{m}^{2}}\]. If the sum of outer and inner radius is 1.5 cm, then find the ratio of outer and inner radius of the pipe, respectively. \[\left( use\,\pi =\frac{22}{7} \right)\]