RRB Assistant Loco Pilot and Technician Model Paper 9 with solutions

(a) 8 + 9 + 10 = 27
11 + 12 + 13 = 36
So, let 3 consecutive no x, x + 1, x + 2
Next 3 consecutive no x + 3; x + 4, x + 5
i.e. sum of last 3 consecutive no. is 9 more than sum of first 3.
= 27 + 9 = 36