Question

Usain and Yohan run a 100 m race in 9.482 seconds and 9.663 seconds respectively. Yohan takes seconds more than Usain.

• A. 0.0171
• B. 1.191
• C. 0.171
• D. 0.181

Answer 1

The correct option is D 0.181

Yohan runs 100 m in 9.663 s.
Usain runs 100 m in 9.482 s.
$\therefore$ Yohan takes 9.663 - 9.482 = 0.181 s more than Usain.