The Digital Clock Riddle
Hint:
The Special Digits Riddle
Hint:
It is the numbers from one to nine in alphabetical order.
Eight, Five, Four, Nine, One, Seven, Six, Three and Two. Did you answer this riddle correctly?
YES NO
Eight, Five, Four, Nine, One, Seven, Six, Three and Two. Did you answer this riddle correctly?
YES NO
Eight Tens Ridde
Hint:
I Have 4 Ones. I Have 9 Tens.
Hint:
The Non Digital Clock Riddle
Calculate the number of degrees between the hour hand and the minute hand of a clock (nondigital) that reads 3:15.
Hint:
The hour hand will have moved one-fourth of an hour; therefore, there will be 7.5 degrees between the two hands. Did you answer this riddle correctly?
YES NO
YES NO
Finding The Number Riddle
What number am I? I am a three digit number. My tens digit is five more than my ones digit. My hundreds digit is eight less than my tens digit.
Hint:
5 Tens And 4 Ones Riddle
Hint:
The Same Number Of Ones Riddle
Hint:
The Even Number Riddle
Hint:
The Prime Number Riddle
Two hundred people in an auditorium are asked to think of a single digit number from 1 to 9 inclusive and write it down. All those who wrote down a prime number are now asked to leave. Ninety people remain behind in the hall. How many of these are expected to have written down an odd number?
Hint: Remember that 1 is not a prime number.
Those that remain behind must have written {1,4,6,8,9} and from this only {1,9} are odd. The probability of an odd number is thus 2/5.
Expected number of odds is 2/5 * 90 = 36 Did you answer this riddle correctly?
YES NO
Expected number of odds is 2/5 * 90 = 36 Did you answer this riddle correctly?
YES NO
Two More Than Thirty
Hint:
3 Tens And 1 One Riddle
Hint:
Ten More Than Eighty Two Riddle
Hint:
Paper Threes Riddle
Jenna wrote all the numbers from 300 to 400 on a piece of paper. How many times did she write the digit 3?
Hint:
I Am More Than 23 Riddle
Hint:
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