Every day we will share one Math question. You can solve it and share your solution in the comments below. The next day, we will post the method of solving today’s question and answer any of your subsequent questions in the process. Read the question and share your answer in the comments below. Today’s question is on Geometry – Volumes of 3-D objects.

We will be completing 30 days of daily questions on September 18^{th}. Thank you for your continued participation. We will host an online quiz on the topics covered so far on 18^{th}.

Interested students can take up the online quiz and evaluate themselves on their progress.

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30 balls

Total volume- 80% volume gives leftover.. No .of balls = leftover ÷ volume of one ball = 30