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QuantTrickCard 1/10

Never Solve Quadratics for CP Again! 🤯

The Trap: Common Mistake: Wasting 3 minutes writing out and solving a quadratic equation to find the Cost Price. WRONG ❌
The Shortcut: When **CP = Profit%**, just find two factors of the **Selling Price** that have a **difference of exactly 10**. Take the **smaller factor** and multiply it by **10**.
Proof: - **Question:** SP = 144, Profit% = CP. - **Step 1:** Find factors of 144 with a difference of 10 (18 and 8). - **Step 2:** Take the smaller factor (8) and multiply by 10. - **Result:** CP = Rs. 80 ✅

Source: Profit & Loss - 07 · Profit & Loss

Practice ready · 4 options

QuantTrickCard 2/10

The Dishonest Dealer Hack You Need! ⚖️

The Trap: Common Mistake: Adding the two cheating percentages together (10% + 10% = 20%) or using the standard successive formula. WRONG ❌
The Shortcut: Use the **Successive Ratio Method**! Buying cheat (x%): Ratio is **100 : (100+x)**. Selling cheat (y%): Ratio is **(100-y) : 100**. Multiply both ratios to get your final CP:SP!
Proof: - **Question:** A dealer cheats 10% while buying and 10% while selling. - **Step 1:** Buying Ratio = 100 : 110. - **Step 2:** Selling Ratio = 90 : 100. - **Step 3:** Combined Ratio = (10 * 9) : (11 * 10) = 90 : 110 = 9 : 11. - **Result:** Profit is 2/9 = 22 2/9% ✅

Source: Profit & Loss - 07 · Profit & Loss

Practice ready · 4 options

QuantTrickCard 3/10

Compound Interest Growth in 3 Seconds! 🚀

The Trap: Common Mistake: Plugging values into the traditional formula and getting stuck trying to calculate the exact interest rate first. WRONG ❌
The Shortcut: If a sum becomes **x times** in **T years** at CI, it will become **x^n times** in **n × T years**. Just match the powers!
Proof: - **Question:** A sum becomes 3 times in 10 years. When will it become 243 times? - **Step 1:** Express 243 as a base of 3 (243 = 3^5). - **Step 2:** Identify the power n = 5 and base time T = 10. - **Step 3:** Multiply n × T (5 × 10). - **Result:** 50 years ✅

Source: Interest (SI & CI) - 09 · Interest (SI & CI)

Practice ready · 4 options

ReasoningRuleCard 4/10

Slice Through Cube Problems Instantly! 🧊

The Trap: Common Mistake: Trying to sketch the grid and count the individual cubes layer by layer. WRONG ❌
The Shortcut: Forget counting! Just find your ratio **n** by dividing the **Large Cube Side** by the **Small Cube Side**. The total number of cubes is always **n³**.
Proof: - **Question:** A 21 cm cube is cut into 3 cm small cubes. - **Step 1:** Calculate the ratio n = 21 / 3 = 7. - **Step 2:** Cube the ratio (7³). - **Result:** 343 small cubes ✅

Source: Cube & Dice - 02 · Non Verbal Reasoning

Practice ready · 4 options

ReasoningRuleCard 5/10

The 'Skip One' Dice Secret! 🎲

The Trap: Common Mistake: Wasting brainpower trying to mentally fold the paper and track which face goes where. WRONG ❌
The Shortcut: In an open dice net, faces in a straight line that are separated by **exactly one square** are ALWAYS **opposite** each other! The leftover 'arms' on the sides are also opposites.
Proof: - **Question:** In the net (1-2-4-6 vertical, 3 & 5 on sides), what is opposite 3? - **Step 1:** Notice 3 and 5 are the outer 'arms' of the cross. - **Step 2:** Apply the rule that side arms are opposite each other. - **Result:** 5 ✅

Source: Cube & Dice - 02 · Non Verbal Reasoning

Practice ready · 4 options

ReasoningRuleCard 6/10

Destroy Dice Questions with Elimination! 🗑️

The Trap: Common Mistake: Trying to manually verify if the 3 visible faces perfectly match the folded 3D shape. WRONG ❌
The Shortcut: Use the **Opposite Elimination Hack**! Two opposite faces can **NEVER** be seen together on a folded 3D cube. If an option shows them side-by-side, immediately cross it out!
Proof: - **Question:** Which figure cannot be formed if opposites are 1=4, 2=5, 3=6? - **Step 1:** Look at Option A showing faces 1, 3, and 4. - **Step 2:** Realize 1 and 4 are opposites, so they can't be touching. - **Result:** Option A cannot be formed ✅

Source: Cube & Dice - 02 · Non Verbal Reasoning

Practice ready · 4 options

EnglishRuleCard 7/10

The 'Hardly' Trap That Fools 90%! 🚨

The Trap: Common Mistake: Trusting your ear and pairing 'Hardly' or 'Scarcely' with 'than' or 'that'. WRONG ❌
The Shortcut: Correlative conjunctions have strict partners! **Hardly/Scarcely** ALWAYS pair with **When**. (Bonus: **No Sooner** ALWAYS pairs with **Than**).
Proof: - **Question:** Hardly had they done so [that] a storm arose. - **Step 1:** Spot the starting adverb 'Hardly'. - **Step 2:** Check the connecting word (it says 'that'). - **Step 3:** Swap it for its mandatory partner 'when'. - **Result:** Hardly had they done so **when** a storm arose. ✅

Source: Sentence Improvement - 01 · Grammar

Practice ready · 4 options

EnglishTrickCard 8/10

Drop In vs. Drop Off: Stop Guessing! 🚗

The Trap: Common Mistake: Using 'drop in' when you are taking someone to a location and leaving them there. WRONG ❌
The Shortcut: Think of the action! Use **Drop off** when you are **delivering or leaving** someone/something. Use **Drop in** for a **casual, brief visit**.
Proof: - **Question:** Mom drops the kids [in] for hockey practice... - **Step 1:** Analyze the context (Mom is leaving the kids at practice, not visiting). - **Step 2:** Replace 'in' with the delivery phrasal verb 'off'. - **Result:** Mom drops the kids **off**... ✅

Source: Phrasal Verbs - 02 · Parts of Speech

Practice ready · 4 options

ScienceRuleCard 9/10

Master Oxidation in 3 Letters! 🧪

The Trap: Common Confusion: Thinking oxidation means gaining electrons because oxygen is being 'added' to the molecule. WRONG ❌
The Shortcut: Just remember the ultimate chemistry cheat code: **OIL RIG**! **O**xidation **I**s **L**oss (of electrons). **R**eduction **I**s **G**ain (of electrons).
Proof: - **Question:** What does Oxidation involve? - **Step 1:** Recall the mnemonic OIL RIG. - **Step 2:** OIL = Oxidation Is Loss (of electrons). - **Result:** Loss of electrons ✅

Source: Chemical Reactions · Chemistry

Practice ready · 4 options

GKFactCard 10/10

Who is the 'Prince of Moneyers'? 💰

The Trap: Common Confusion: Guessing Alauddin Khilji because he was wealthy, or Ghiyasuddin because he founded the dynasty. WRONG ❌
The Shortcut: Link the title to the action! **Muhammad Bin Tughlaq** famously (and disastrously) introduced **token currency** (bronze/copper coins), earning him the nickname **'Prince of Moneyers'**.
Proof: - **Question:** Which Sultan is known as the 'Prince of Moneyers'? - **Step 1:** Recall who experimented with token currency in 1330 AD. - **Step 2:** Match the currency experiment to Muhammad Bin Tughlaq. - **Result:** Muhammad Bin Tughlaq ✅

Source: Delhi Sultanate - 02 · History

Practice ready · 4 options