Railways
Sample Paper
RRB (Assistant Loco Pilot & Technician) Sample Test Paper-1
question_answer
How many 1?s are there in the following sequence which are immediately preceded by 9 but NOT immediately followed by 7? 7 1 9 1 1 7 1 8 9 1 7 1 2 1 3 1 1 4 5 7 1 3 9 1 7