Four glasses and a jug weigh as mush as 17 iron balls do. The jug weighs as much as a glass and 7 balls. How many balls does the jug weigh?
- 9
- 8
- 10
- 5
Answer
The correct answer is A) 9.
More Brain Teasers questions
- Three cats can eat 3 mice in 1.5 hours. How long will it take 10 cats to eat 20 mice?
- A lion can eat a sheep in 2 hours, a wolf - in 3 hours, and a dog - in 6 hours. How long will it take the three animals to eat a sheep if they eat together?
- Which letter comes next in this series: W-L-C-N-I-T-?
- A squirrel finds a hollow log with 9 ears of corn in it. If he can carry out 3 ears every day, how many days will it take him to empty the log?
- Suppose youre taking a multiple-choice quiz. One question has three choices - A, B, C. You do not know the answer and guess A. The instructor then announces that C is incorrect. Should you switch to B before turning in your paper?
- A worm can gnaw through 1 mm of paper for a single day. On a bookshelf there are two volumes, each 4 cm thick. Each of the covers is 2 mm thick. How long will it take the warm to gnaw from the first page of the first volume to the last page of the second volume?