RRB Group D 2-Nov-2014 Shift 1 Solved Paper

Total number of digits = (No. of digits in 1-digit page nos. + No. of digits in 2-digit page nos. + No. of digits in 3-digit page nos.)
= (1 × 9 + 2 × 90 + 3 × 267)
= (9 + 180 + 801) = 990