Level 3
A total of 700 people participated in a marathon. 225 of the participants ages from 15-25, 184 of them ages from 26-35 , 182 of them ages from 36-45 and the rest of the participants ages from 46-55. What fraction of the participants ages from 46-55?
Level 3
A ball is dropped from a height of 120 cm. Every time it hits the ground, it will rebound to half of its original height. What is the total distance the ball has travelled by the time it hits the ground for the 4th time?