If belonging to 10 species of each kind of balls numbered 10 pieces. Given the nine types of balls have the same weight of 1 gram, while one type of ball has a weight of 1.1 grams. How can we know what different types of balls when we

# Clue

# Equatorial Rope

Suppose that this earth has a circumference along the equator approximately 400 000 km. If you put up a long rope, which has more than 0.01 km

# Distribution of Odd

One time a family get a prize from a lottery for Rp.6.000.000, -. In family is a gift received by the two fathers and two children. It turned out that each of them get the money

# Drinked Drugs

A patient who is very ill to go to the doctor to check the disease. After meeting the doctor, he was given a very potent drug. But the drug must be taken on time as recommended. Doctor

# 10 Pieces

A carpenter has a very long stick. Wood is cut into 10 equal parts long. If every time a carpenter cut it takes a minute.