Question

The number of times the digits 3 will be written when listing the integers from 1 to 1000 is _______

(a) 269 

(b) 300 

(c) 271 

(d) 302

Answer 1

Correct option: (b) 300

Explanation:

Total numbers between 1 to 999 will be of the type x y z , where x,y,z ∈ {0,1,2,3,4,5,6,7,8,9}