You are given a biased coin. With probability $p$ it produces heads, where $p$ is in the range $(0,1)$. How can you use this coin to simulate an unbiased fair coin, ie., a coin that produces heads with probability $0.5$?

I am Half an idea Fifth of a cm Partly a reminder Fully a doctor And a desired statue Who am I?

Mrs. Betty made a squared cake with chocolate frosting for his neighbors to the afternoon tea. However, first she sliced a middle piece for her two grandchildren and cut it in half: There was no leftovers from the rest of the cake after the afternoon tea. At the end of the day, Mrs. Betty was an...

A lady had two jobs. One of her jobs was to teach a high school math class part-time. . She was teaching math terminology (prefixes and suffixes). "Un(i) is 1. Bi is 2. Tri is 3. Quad is 4. Quince is 5. ... And a dozen is 13." What was the teacher's other part time job?

Mom is cooking for a feast. She used 4 tomatoes in her salad. She used 3 times as many potatoes, and 2 less giant carrots. Mom's bowl can contain 46 vegetables, and she filled the bowl to capacity. How many cabbages did she use if each cabbage is the size of 2 vegetables? If she used half as many...