### Brain Teasers

# Little Mad Ade's School Day

Little Mad Ade, son of Mad Ade, leaves home in the morning to go to school. As he leaves the house he looks at the clock in the mirror. The clock has no number indication and for this reason the boy makes a mistake in interpreting the time (mirror-image). Just assuming the clock must be out of order, the Little Mad Ade cycles to school, where he arrives after twenty minutes. At that moment, the clock at school shows a time that is two and a half hours later than the time that Little Mad Ade saw on the clock at home.

At what time did he reach school?

At what time did he reach school?

### Answer

The difference between the real time and the time of the mirror image is two hours and ten minutes (two and a half hours, minus the twenty minutes of cycling). Therefore, the original time on the clock at home that morning could only have been five minutes past seven:The difference between these clocks is exactly 2 hours and ten minutes (note that also five minutes past one can be mirrored in a similar way, but this is not in the morning!).

Conclusion: Little Mad Ade reaches school at five minutes past seven (plus twenty minutes of cycling) which is twenty-five minutes past seven!...

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## Comments

This teaser is impossible to figure out because in it you never indicate a specific time he is to be at school.

there is nothing in the teaser that requires you to know what time Little Mad Ade starts school.

You also didn't mention if he took the school bus, if he had school dinners or took his own packed lunch, and you also didn't say if it was raining or not. sheesh, how are we suuposed to solve it?

You obviously have a lot to learn about writing teasers. When you've submitted a few more I'm sure you will get better. Keep your chins up and don't be disheartened.

You obviously have a lot to learn about writing teasers. When you've submitted a few more I'm sure you will get better. Keep your chins up and don't be disheartened.

I am really really sorry I promise to try much better sir....honest I will.

God boy

Technically, babygirl35 was partially correct. There are indeed two possible, correct answers, the second of which is actually alluded to in the official answer (Quote : "note that also five minutes past one can be mirrored in a similar way, but this is not in the morning!). 15PM is not in the morning, but 15AM is (though quite early to be leaving for school). The assumption is necessary that he would be getting to school mid-morning, and not at 1:25AM.

Actual if he saw 5 after 1 am,

then he would of left 5 before 11 pm which is not morning,

so Mad Ade's stands correct

then he would of left 5 before 11 pm which is not morning,

so Mad Ade's stands correct

I was saying that the actual time was 15 AM. He would have perceived it (through the mirror image) to be 10:55 - AM vs PM is irrelevant here, since he was assuming the clock was messed up, and his arrival time, being 1:25AM, was 1 1/2 hours after 10:55.

If it was PM he would not or left for school

I\'m not positive, but couldn\'t the boy have left at 7:35am (in the mirror it would look like 5:25am)...twenty minutes later it would be 7:55am and it would be two and a half hours after the time seen in the mirror.

Nope - at 7:35, the hour hand would be between the 7 and 8, which would mirror to be between 4 and 5. That means 7:35 would mirror to 4:25, leaving a 3½ hour gap.

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