Can you solve this math puzzle?
How many 9s are there between 1 and 100?
Think you know the answer?
To see the answer to the math puzzle, click to expand the accordion below.
There are 20 instances of 9 between 1 and 100.
Those are 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, and two in 99 for a total of 20.
Did you get it right without looking at the answer?
Need a hint?
If you need a hint, click to expand the accordion below.
Think about how many 9s are in each number from 90 to 99. And don’t forget that 99 has two.
