A bar of soap is placed on one of the sides of a pair of scales. On the other side there is 3/4 of a bar of the same soap and а 3/4 kg metal weight. The scales are in balance. How much does a bar of soap weigh?
- 2 kg
- 1 kg
- 4 kg
- 3 kg
Answer
The correct answer is D) 3 kg.
More Brain Teasers questions
- There are three sorts of apples in a basket. How many apples have to be taken from the basket, without looking, to be sure that there are at least 2 apples of the same sort?
- A boy and a pig weigh as much as 5 crates. The pig weighs as much as 4 cats. 2 cats and the pig weigh as much as 3 crates. How many cats weigh as much as the boy?
- A fish costs a dollar and half a fish. How much do 5 fish cost?
- A father has seven sons, and each son has one sister. How many children does the father have?
- 10% of all the people living in a certain town in Georgia have unlisted phone numbers. If you selected 100 names at random from the towns phone book, on average, how many of these people would have unlisted phone numbers?
- You are on a ship and over the side hangs a rope ladder with one foot rungs. The tide rises a one foot per hour. At the end of five hours, how much of the ladder will remain above the water assuming that 12 rungs were above the water when the tide began to rise?