Mode – Verified PYQ Authority Guide
Modeis a sub-topic revision hub built around verified PYQ evidence. It connects the recurring question patterns inside this sub-topic with the formulas, exam tips, common traps and concept pages already present in SRO. Every factual learning cue below is drawn from the existing verified, published and approved English PYQ corpus or from its Knowledge Graph relationships; the hub does not invent unsupported technical claims.
PYQ evidence snapshot
8 verified PYQsare currently mapped to this Sub Topic hub. The represented years include2025. Exam coverage currently includesRRB NTPC Under Graduate Level. Subject context includesQuantitative Aptitude. These values come from live mappings and can expand automatically when new verified PYQs are added.
Most useful verified PYQs to solve first
Start with the actual questions rather than memorising a generic note. The links below are ranked from the mapped corpus using repeat history and editorial quality, while the complete explanation stays on the individual question page.
- The mode of the numbers 7, 8, 7, 9, 10 is:
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 7. - What is the mode of the following data? 53, 46, 55, 53, 40, 48, 53, 47, 41, 54, 43, 55, 54, 51, 43, 42, 44, 47
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 53. - A teacher records the number of books read by each student in a month: 3, 5, 2, 3, 4, 5, 3, 2, 5, 5. What is the mode of this data set?
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 5. - What is the mode of the following data: 12, 15, 18, 18, 20, 18, 22, 22, 25, 28, 22, 15, 18, 12?
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 18. - What is the mode of the following data? 40, 47, 54, 45, 50, 43, 53, 52, 53, 49, 40, 50, 42, 52, 44, 52, 47, 55
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 52. - What is the mode of the following data? 43, 40, 41, 53, 50, 41, 44, 45, 43, 46, 48, 46, 51, 55, 52, 42, 46, 45
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 46. - Find the mode of the following distribution: Class 5-15 15-25 25-35 35-45 Frequency 6 14 18 12
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 29. - What is the mode of the following data? 40, 41, 42, 51, 45, 43, 45, 43, 51, 40, 51, 54, 46, 50, 55, 47, 42, 46
RRB NTPC Under Graduate Level · 2025
Use the standard Mode method and simplify; the result matches 51.
Core ideas repeatedly reinforced by the solved corpus
- Use the standard Mode method and simplify; the result matches 7.
- Use the standard Mode method and simplify; the result matches 53.
- Use the standard Mode method and simplify; the result matches 5.
- Use the standard Mode method and simplify; the result matches 18.
- Use the standard Mode method and simplify; the result matches 52.
Exam tips already validated in SRO solutions
- Identify the Mode relationship before calculation and keep units/bases consistent.
Common mistakes to avoid
- Using a shortcut without checking its conditions or using the wrong base/unit.
Topic and concept coverage
Mapped topic labels includeMeasures of Central Tendency. The concept trail includesMode. Use these labels as a revision map: move from the broad area to the narrow concept, solve a verified PYQ, inspect the detailed reasoning, and then attempt another question from the same cluster.
Knowledge Graph navigation
Continue withMeasures of Central Tendency,Mode,Statistics,Quantitative Aptitude. These are canonical SRO entity links based on the Knowledge Graph and shared question mappings, not keyword-stuffed tag pages.
How to revise this authority page efficiently
- Solve before reading:answer a mapped PYQ first.
- Read the exact explanation:verify the correct principle, formula, distractor logic and common mistake on that question page.
- Move one level in the graph:use the closest concept/sub-topic/topic link rather than opening unrelated content.
- Reattempt:solve another verified PYQ from this hub and check whether the same error repeats.
Quality scope:this page is automatically maintained from SRO’s verified mapped corpus. It enriches one canonical authority URL instead of generating multiple near-duplicate pages for keyword variants. Manual authority articles are never overwritten by the automated engine.