Brain Teasers
Lolly Store
You are a small child who likes to visit the lolly store.
When you visit the lolly store to buy some lollies, on the way back you always run into three bullies, each at different locations. They all demand a quarter of the lollies you have on you. If the number of lollies you have isn't divisible by four they will not hesitate to break the lolly into halves or thirds.
If each lolly costs 20 cents, and you need to have 27 lollies by the time you reach your house (9 for your father, 9 for your mother and 9 for you), how much money will you need to bring to the store?
And how much will each bully get? (1st bully, 2nd bully, 3rd bully)
When you visit the lolly store to buy some lollies, on the way back you always run into three bullies, each at different locations. They all demand a quarter of the lollies you have on you. If the number of lollies you have isn't divisible by four they will not hesitate to break the lolly into halves or thirds.
If each lolly costs 20 cents, and you need to have 27 lollies by the time you reach your house (9 for your father, 9 for your mother and 9 for you), how much money will you need to bring to the store?
And how much will each bully get? (1st bully, 2nd bully, 3rd bully)
Answer
1st questionYou will need to bring $12.80 originally so you can buy 64 lollies.
Here is a simple formula, working backwards from 27.
27 / 0.75 = 36 (1 bully)
36 / 0.75 = 48 (2 bullies)
48 / 0.75 = 64 (3 bullies)
So, you will need to have 64 lollies before you reach any of the bullies.
2nd question
This is easy once you have solved the first part.
64 / 4 = 16
48 / 4 = 12
36 / 4 = 9
So the first bully will get 16 lollies, the second bully will get 12 lollies, and the third bully will get 9 lollies.
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