When purchased together, a pair of binoculars and the case cost $100. If the binoculars cost $90 more than the case, how much does the case cost?

Riddle Answer# Math Riddles

## 15 Minute Intervals

A patient is given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?

Riddle Answer## Wholesale Merchant

A wholesale merchant came to me one day and posed this problem. Every day in his business he has to weigh amounts from one pound to one hundred and twenty-one pounds, to the nearest pound. To do this, what is the minimum number of weights he needs and how heavy should each weight be?

Riddle Answer## 500 Pages Book

A book has 500 pages:

The 1st page says “Exactly 1 page in this book is false.”

The 2nd page says “Exactly 2 pages in this book are false.”

…

The 500th page says “Exactly 500 pages in this book are false.”

Can any of the pages be true?

Riddle Answer## Birth Year

Imagine you were born in an odd-numbered year (like 1995). Will you celebrate your 50th birthday in an odd or an even year?

Riddle Answer