A ball is released from rest at a height of above the ground
MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series
Problem
A ball is released from rest at a height of 3m above the ground. On every bounce, it rises to three–fourths of the height from which it just fell. After how many times of hitting the ground will the cumulative distance travelled by the ball first exceed 20m?
(a) 11
(b) 13
(c) 12
(d) 10