With just 5 days left for RBI Assistant Prelims 2026, every minute counts. Arithmetic is the most scoring yet time‑consuming part of Quantitative Aptitude. Smart revision of recurring topics, shortcut methods, and exam‑style practice can help you secure those crucial marks. Dive into the blog below and follow focused tips to maximize your performance in the final stretch.
With only 5 days left for RBI Assistant Prelims 2026, focused revision is key. These topic‑wise strategies highlight shortcuts, formulas, and exam‑style examples to sharpen speed and accuracy in Quantitative Aptitude.
In the last few days, focus on mixture problems involving replacement and ratio changes. These are predictable and often appear in prelims. Practice cross‑multiplication and repeated replacement formulas to save time.
Tip: Break ratios into units.
Shortcut: Use replacement formula.
Example: 120 liters, ratio 3:2, replace 20 liters → final ratio 3:4.
Exam Focus: 1–2 questions.
Profit and loss questions test your ability to calculate quickly on cost price. Expect twin article problems or successive discounts. Revise formulas and practice mental calculations to avoid silly mistakes.
Tip: Always calculate on CP.
Shortcut: CP = SP ÷ (1 ± %).
Example: SP = ₹960, loss 20% → CP = ₹1200.
Exam Focus: 1–2 questions.
Partnership problems often involve changes mid‑year. With limited time, focus on investment × time logic. Revise cases where partners increase or withdraw investments.
Tip: Profit share = Investment × Time.
Shortcut: Adjust for changes mid‑year.
Example: A invests ₹5000, doubles after 6 months → effective investment doubled.
Exam Focus: 1 question.
Time and work problems are common and require efficiency calculations. Revise LCM method and cases where workers leave midway.
Tip: Use LCM of days for total work.
Shortcut: Work = Rate × Time.
Example: P (24 days), Q (36 days) → LCM = 72 units.
Exam Focus: 1–2 questions.
Age problems are straightforward if you master ratio and difference concepts. Revise problems where future or past ratios are given.
Tip: Translate ratios into equations.
Shortcut: Use difference method.
Example: Difference = 4 years, ratio after 4 years = 5:4 → Q = 12 years.
Exam Focus: 1 question.
Boats and streams test speed and time concepts. Revise downstream and upstream relations and ratio‑based problems.
Tip: Downstream = Boat + Stream.
Shortcut: If stream = 50% of boat, ratio downstream:upstream = 3:1.
Example: Boat speed = 12 km/h, stream = 6 km/h.
Exam Focus: 1–2 questions.
SI and CI problems are predictable. Revise effective rate formulas and cases where SI and CI are compared.
Tip: SI = (P×R×T)/100.
Shortcut: CI = P×[(1+R/100)^n – 1].
Example: ₹6000 at 10% for 2 years → CI = ₹1260.
Exam Focus: 1–2 questions.
Average problems often involve new additions or replacements. Revise deviation method and shortcut formulas.
Tip: Total = Average × Number.
Shortcut: Use deviation when new students join.
Example: Avg = 142, 6 join with 145, new avg = 148 → x=24.
Exam Focus: 1 question.
Train problems are high‑yield and test relative speed. Revise platform crossing and man crossing cases.
In the last 5 days, practice converting km/h to m/s quickly and solving relative speed problems. These are guaranteed to appear and can be solved in under a minute with shortcuts.
Tip: Relative speed = sum when opposite, difference when same direction.
Shortcut: Speed in m/s = km/h ÷ 3.6.
Example: Train A (56 km/h) crosses Train B (48 km/h) in 19.2 sec → length = speed×time.
Exam Focus: 1–2 questions.
Election problems combine percentages and ratios. Revise valid votes calculation and margin problems.
In the final days, focus on percentage conversions and margin calculations. These are simple but require careful reading of the question.
Tip: Calculate valid votes first.
Shortcut: Valid = Total × (1 – % not cast) × (1 – % invalid).
Example: 10% not cast, 10% invalid, margin = 1620 → total voters = 20,000.
Exam Focus: 1 question.
With only 5 days left, you must prioritize efficiency. Here’s what you need to do to master this part of the Quants section:
Aspirants must attempt at least one free mock test before the exam. It replicates the real pattern, highlights weak areas, and boosts confidence. With 5 days left, this is your best tool to measure readiness.
Arithmetic revision in the last 5 days is about smart focus. Cover predictable topics: Mixture, Profit & Loss, Partnership, Time & Work, Ages, Boats, SI/CI, Averages, Trains, and Elections. Revise formulas, practice shortcuts, and attempt mocks daily.
By dedicating these final days to structured revision, you ensure accuracy and speed in the exam hall. Remember, every mark counts. A strong arithmetic performance can secure your cutoff and move you closer to success in RBI Assistant Prelims 2026.
Usually 10–12 questions in the Quant section are directly from Arithmetic topics like Mixture, Profit & Loss, SI/CI, Averages, and Time & Work.
Focus on Mixture & Allegation, Profit & Loss, Partnership, Time & Work, Ages, Boats & Streams, SI/CI, Averages, Train Problems, and Elections. These are high‑yield and predictable.
Allocate around 12–15 minutes for Arithmetic. Attempt the easier ratio, average, and percentage questions first, then move to mixture or partnership problems.
Shortcuts help save time, but conceptual clarity is essential. Practice both methods so you can adapt if the exam question is framed differently.
Yes, if you solve 8–10 Arithmetic questions accurately, you can clear the cutoff. Combine this with a few DI and simplification questions for a safe score.
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