RRB PO(Officer Scale I) 2018 Prelim Exam Analysis

It has been reported that the online RRB Officer (Scale I) Prelim examination held on 11th August 2018 was of moderate difficulty level. A similar trend was observed for exams held across all slots.

A snap shot of the prelim exam is given below.

Duration of the Exam 45 minutes
Quantitative Aptitude 40 Qs
Reasoning Ability 40 Qs
Total Number of Qs 80 Qs

An analysis of the above mentioned session, as reported by our students, is given below.

The following changes were observed in the paper this year:

1. Questions on Data Comparison generally asked in the Main exam found a place in this paper.
2. Increased focus on questions based on Analytical puzzles.
3. Questions on Data sufficiency generally a part of the Main exam were asked in this exam.

Quantitative Aptitude:

Common topics for all slots:

• There were 15 questions on Data Interpretation. These questions involved calculations and were of moderate level of difficulty .
• There were 5 questions on Number Series which were easy to solve.
• The individual questions varied from 10 to 15 in number across different slots. These questions were a combination of easy, and moderate levels of difficulty.

Spread of topics in some slots:

• In some of the slots, there were 5 questions on Quadratic Comparisons whereas in other slots, questions on Data comparisons were given instead of questions from Quadratic Comparisons.
• In some of the slots there were 5 questions on Approximations.
Topic No of Questions
Data Interpretation 15
Number Series (Missing / Wrong number) 5
Individual Questions (Ages, Time & Work, Time & Distance, Averages, Mixtures & Alligations, Profit & Loss, Partnership, Probability and Mensuration) 10 to 15
Approximations (a few slots) 5
Quadratic Comparisons / Data Comparisons 5

Reasoning Ability:

This section, on the whole, has been tagged as 'Moderate'.

There were 20 to 30 questions on Puzzles (Circular, Linear (Two row), Box puzzle etc..), and all of these questions can be labelled ‘moderate’ in terms of the level of difficulty. Questions on Coding-Decoding, Symbols and Notations, Coding-Decoding and Deductions were easy to crack. There were 3 to 4 questions each on Blood Relations and Direction Sense.

Topic No of Qs
Puzzles (Linear, Circular, Box & Date / Month) 20 to 30
Deductions (given in three slots. Not present in the slot which had 30 questions on puzzles)) 4 to 5
Symbols and Notations (in three slots) 3 to 5
Blood Relations (in three slots) 1 to 4
Direction Sense (given in three slots. Not present in the slot which had 30 questions on puzzles) 3 to 4
Coding-Decoding (a few slots) 1 to 5
Data Sufficiency (only in one of the slots) 2
Miscellaneous (Letter Arrangement, Word formation, Sequence etc..) 1 to 3

Overall, the paper can be rated slightly difficult as compared to the same exam that was conducted in 2017.