NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question 96

Question. 96

In a survey of 200 students, fractions shown in circle graph.

(a) Radio?

(b) How many more than Music Video?

(c) Friend/Relative or Heard in Shop?

Answer:

(a) 90

(b) 74

(c) 50

Detailed Answer with Explanation:

(a) Radio = 9/20 × 200 = 90. (b) Music Video = 1/10 × 200 = 20; 90 − 20 = 74. (c) Friend/Relative = 3/20 × 200 = 30; Heard in Shop = 1/20 × 200 = 20; Total = 50.

NCERT Exemplar Solutions Class 7 – Mathematics – Unit 2: Fractions and Decimals – Problems and Solutions | Detailed Answers