Q:
How can you make the following equation true by drawing only one straight line: 5+5+5=550. Can you figure it out?
A:
Draw a line on the first plus sign that turns it into a 4. The equation then becomes true: 545+5=550.
Q:
There is a 500 miles race and each lap is 2 and a half mile long. How many laps would it take to go 500 miles?
A:
200
Q:
How many 9's are present when counting from 0-100?
A:
20.
Q:
What is the next number? 3, 3, 5, 4, 4, 3, 5, 5, 4, _.
A:
The next number is 3. Since ONE has 3 letters, TWO has 3 letters, THREE has 5 letters and so on. Similarly, TEN is a 3 letter word.
Q:
Jerry went to a hardware store to buy some needed supplies. He spent half of what he had plus $2.00 in the first store; half of what he had left plus $1.00 in the second store; half of what he had left plus $1.00 in the third store; and in the last store half of all he had. Three dollars were left over. How much money did he start with?
A:
$64.00.
Q:
How can you make 7, an even number?
A:
By removing the 'S'.
Q:
Find the four digit number in which the first digit is one fourth of the last digit. The second digit is 6 times the first digit and the third digit is the second digit plus 3.
A:
1694.
Q:
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
A:
100. Work backwards and you will understand.
Q:
Jenna wrote all the numbers from 300 to 400 on a piece of paper. How many times did she write the digit '3'?
A:
Jenna wrote it 120 times.
Q:
If three cats catch three mice in three minutes. How many cats would be needed to catch 100 mice in 100 minutes?
A:
The same three cats would do. Since these three cats are averaging one mouse per minute, in the given 100 minutes the cats could catch 100 mice.
