Trains
A 200 ft. train is traveling 200 ft. per minute and must travel through a 200 ft. long tunnel. How long will it take the train to travel through the tunnel?
Two minutes because it takes the front of the train one minute and the rest of the train will take two minutes to clear the tunnel.
Which month has 28 days?
All of them.
I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit. What number am I?
141
When Jose was 8, his brother was half his age. Now that Jose is 14, how old is his brother?
His brother is 10. Half of 8 is 4, so Jose's brother is 4 years younger. When Jose is 14, his brother is still 4 years younger, so he’s 10.
I asked a girl how old her dog was. She said, “In 2 years he will be twice as old as he was 5 years ago.” How old is the dog?
12
A nonstop train leaves Oxnard for San Francisco at 80 mph. Another nonstop train leaves San Francisco for Oxnard at 70 mph. How far apart are the trains 1 hour before they pass each other?
150 miles (80+70)
If there are 5 apples and you take away 4, how many do you have?
Four apples.
I add five to nine and get two. The answer is correct, but how?
When it is 9 p.m., add 5 hours to it and you will get 2 p.m.
Harry is 54 years old, and his mother, Anna, is 80. How many years ago was Anna three times the age of her son Harry?
41 years ago
There are twelve birds in a cage. 6 birds have some blue feathers and and 4 have some red feathers. Three birds have both blue and red feathers. How many birds have neither blue or red feathers.
A train ticket and meal cost $110. The meal costs 90 dollars more than the train ticket. How much does the meal cost?
$10
What is the maximum possible number of times you can subtract number 6 from number 36?
Only once, is because when you subtract 6 from 36, it becomes number 30, then 24, etc.
What can you put between a 5 and an 6 so that the result is greater than a seven, but less than an eight?
When Mitch was 6 years old, his little sister, Lila, was half is age. If Mitch is 40 years old today, how old is Lila?
She is 37 years old.
If the zookeeper had 100 pairs of animals in her zoo and if two pairs of babies are born for each and every one of the original animals, and then sadly 23 animals don’t survive, how many animals do you have left in total?
977 animals (100×2 = 200; 200+800 = 1000; 1000-23 = 977)
If the train is 8 miles from the station and each minute it moves halfway closer to the station. How many minutes until it reaches the station.
It never reaches the station.
If you multiply this number by any other number, the answer will always be the same. What number is this?
Zero
I am a three-digit number. My tens digit is six more than my one’s digit. My hundreds digit is eight less than my tens digit. What number am I?
193
A man is twice as old as his little sister. He is also half as old as their dad. Over a period of 50 years, the age of the sister will become half of their dad’s age. What is the age of the man now?
He is 50 years old.
There are several birds on a wire. If one bird is the 4th from the left and 6th from the right, how many birds are on the wire?
9 birds
There are 7 people on a train. Each person has 7 backpacks with 7 large cats in each one. Each large cat has 7 smaller kittens.
How many legs are on the train, not including the conductor.
10,990 legs.
If it took 5 people 10 hours to build a barn, how long would it take 10 people to build the same barn?
0 hours. The barn is already built.
Using only addition, how can you add eight 8’s to get the number 1,000?
888 +88 +8 +8 +8 =1,000
If family of seven each hugs only once with each of the others, how many hugs will there have been?
Twenty-one
In a pond, there are some lily pads and some frogs nearby. How many lily pads and frogs are there if both the following statements are true:
If each frog sits on a lily pad, one frog doesn’t get a lily pad.
If two frogs share each lily pad, there is one lily pad left out.
4 frogs and 3 lily pads.