Multiple choice general knowledge

How many numbers lie between 300 and 500 in which 4 comes only one time ?

  1. 99

  2. 100

  3. 110

  4. 120

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In the range 300-399, '4' appears in 304, 314, 324, 334, 340-343, 345-349, 354, 364, 374, 384, 394 (18 times). In 400-499, '4' is the first digit. Excluding cases where 4 appears twice (404, 414, etc.) and thrice (444), the math yields 99.