For each question, provide your answer on the space provided. Concisely draft/describe your solutions in 2 or 3 lines. Please answer as fractions whenever convenient. 1. A special coin results in a head 20% on the first toss. However, after every toss, the chance of getting a tail decrease by 10% absolute (i.e. 1st toss: P(T) = 80%, 2nd toss P(T) = 70%). What is the probability of getting heads on the first four tosses consecutively? 2. In 2 weeks, an athlete's daily average distance jogged is 10 Km. After 2 days, his new daily average is 11 Km. What is his daily average distance jogged in the last 2 days? 3. You bought 200 marbles at 480 Php (with 20% tax). For the resale price, you add 25% of the cost without tax to the original price. How much would a single marble cost? 4. A farmer owns 6 hec of land. (1 hec = 0.01 sq.km.). He can plow 1 sq.m. in 1 minute. How many hours would it take for him to plow his land? 5. Mikee has two boxes. Box 1 contains 3kg of chocolates and 6kg of toys. Box 2 contains 5kg of paperclips. Box 2 also have marbles inside. Box 1 weighs 3/4 of Box 2's weight. How heavy are the marbles?