NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 1: Number System - Problems and SolutionsQuestion 130
Class 7 - Mathematics - Unit 1: Number System - Problems and Solutions
Question. 130
Sana and Fatima ran an apple race with 6 parts: Sana +10 s, −1 min, +20 s, −25 s, −37 s, +12 s. Who finally won?
Answer:
Fatima
Detailed Answer with Explanation:
Converting all to seconds and adding shows Sana’s net time loss; hence Fatima wins (per key).