Brain Teasers

*1*It was Debbie's first day at school. The teacher suggested that it would be a good idea for each child to meet every other child in the class. The teacher said, 'When you meet, please shake hands and introduce yourself by name.' If there were 11 children in the class, how many total handshakes were there?

*221*

*2* Suppose 7 monkeys take 7 minutes to eat 7 bananas. How many minutes would it take 3 monkeys to eat 3 bananas?

*Seven Minutes*

*3* A painting job can be completed by 3 painters in 17 days. If 9 more painters join the team 9 days after starting work on the job, then how many more days are required to complete the job?

*Assuming they are working 8 hours a day? One. Five Hours and Twenty Minutes to be exact.*

*4* A snail creeps 9 ft up a wall during the daytime. After all the labor it does throughout the day, it stops to rest a while... but falls asleep!! The next morning it wakes up and discovers that it has slipped down 5 ft while sleeping. If this happens every day, how many days will the snail take to reach the top of a wall 49 ft in height?

*12*

*5* Last weekend, I went to play in the nearby park. It was real fun! I rode my new bicycle that Mom had gifted me on my birthday. On reaching the park, I saw that there were a total of 5 bicycles and some tricycles. If the total number of wheels was 25, how many tricycles were there?

*5*

How many of the right answers can you get?

*All*
 
ok, i'm real bad at brainteasers, but this is what i got. I hope they are close and i don't make an ass of myself (very likely).

1) 55 handshakes
2)7 min
3) No idea.
4)12 days
5)5 tricycles

Whats my grade?
 
55
7 mins (if I understand the question right, each monkey has a one banana?)
exactly 2 days
12 days, pluse part of the next day to get the last 1 foot.
5 bikes.

now how do we know if the answers are right?

Black Bird 221??? were the hell did you get that?

first child shakes hand of the other 10
second shakes hands of 9 cause already shook the first
so 10+9+8+7+6+5+4+3+2+1
you used a formula to the nth power didn't you?
 
bratcat explain question two.

7 monkeys have 7 bananas equiling 7 bananas? or 49 bananas?
so that would make the 3 monkesy have 3 bananas? or 9? I'm not usre so may have that wrong
 
Wouldn't #4 be 13 days? It would slide down that last 5 feet after getting 1 foot from the top....thereby taking another day to actually reach the top?
 
First off.. I have not read the whole thread, so if someone already answered all these.. well then.. ignore this ;)

1. 55
2. 7 minutes
3. just a guess here.. 2 days?
4. 11 days
5. five tricycles
 
*bratcat* said:
Here is the reasoning behind the ones you have already gotten correct...

*1* The correct answer: 55 Because each kid has to shake each other's hand and that would take a total of 55 handshakes.
10+9+8+7+6+5+4+3+2+1= 55

*2* The correct answer: 7 minutes Each banana takes 7 minute to eat so it would take 7 minutes for them to eat the bananas.

*3* The correct answer: 2 days. It would take 11 days to complete the job because they are only halfway completed with the job
3x17=51-(3x9)=24/(3+9)= 12
*4* Noone has gotten it yet.

*5* The correct answer: 5 tricycles. To find the answer you have to add 5 * 3 = 15 and 2 * 5 = 10 to get 25.

lol sorry I just like math :D

and I think mae is right they wanted an answer of 13 which if you read what I said, I did say 13 days just not that way I said 12 and part of the next day. ah well :) it's all good. this was fun
 
Wrestlemania Brain Teasers!! - This one is STILL open for answers.

:p
 
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Fly_On_Wall said:
ooooooooooooooohhhhhhh

how many more days would it take

no.. 11 days total.. from start to finish

Day 1 +9ft
Night 1 –5ft
Equals 4 ft

Day 2 +9 ft
Night 2 –5ft
Equals 8 ft

Day 3 +9
Night 3 –5
Equals 12 ft

Day 4 +9ft
Night 4 –5ft
Equals 16 ft

Day 5 +9ft
Night 5 –5ft
Equals 20 ft

Day 6 +9ft
Night 6 –5ft
Equals 24 ft

Day 7 +9ft
Night 7 –5ft
Equals 28 ft

Day 8 +9ft
Night 8 –5ft
Equals 32 ft

Day 9 +9ft
Night 9 –5ft
Equals 36 ft

Day 10 +9ft
Night 10 –5ft
Equals 40 ft

Day 11 +9

Equals 49 feet..

I love math too.. ;)

ick.. Wrestlemania.. I know nothing about this.. so i'll leave those alone.. :)
 
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:p
 
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Well here is half...

It's kinda late but here is half of it

1. bride...cried
2. cat...sat
5. rake...fake
9. tea...free
10. witch...rich

i'm hoping to have the rest tomorrow or later tonight if i can't sleep.
 
Well at least I'm getting posts...

Me and puzzles. Can't sleep till I finish them.

4. shrew...flew
7. sample...ample
 
1. Bride cried
2. cat sat
3.
4.
5.rake fake
6. bears lair bare
7.
8.lamb swam
9.tea free
10.witch rich


I'm still working on the rest..
 
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