NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 8: Ratio & Proportion - Problems and Solutions
Question 76

Question. 76

In a floral design made from tiles each of dimensions 40 cm by 60 cm (See Fig. 8.7), find the ratios of:
(a) the perimeter of shaded portion to the perimeter of the whole design.
(b) the area of the shaded portion to the area of the unshaded portion.

Answer:

(a) 5 : 9    (b) 3 : 10

Detailed Answer with Explanation:

Count tiles along length and breadth; convert to total lengths using 40×60. Perimeter and area are proportional to tile counts. Calculations give ratios 5:9 and 3:10.

NCERT Exemplar Solutions Class 6 – Mathematics – Unit 8: Ratio & Proportion – Problems and Solutions | Detailed Answers