TCS Company Numerical Ability Clocks and Calendars

how many numbers from 283 to 839 have digit 7 in it??

Read Solution (Total 16)

TCS Other Question

A man sold 12 candies in 10$ had loss of b% then again sold 12 candies at 12$ had profit of b% find the value of b. a person starts writing all 4 digits numbers.how many times had he written the digit 2??