Free · 45 pages
Every tough concept in the syllabus, explained as a picture first and words second. Basics assumed. No padding.
1 · Picture
See the concept as a diagram. If you can draw it, you can solve it.
2 · Logic
Two or three sentences on why it works — never a memorised ritual.
3 · Speed
The shortcut that turns three minutes into forty seconds on exam day.
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An analogy that makes the idea stick.
The mental-math shortcut for exam day.
Exactly where CAT wants you to slip.
Five sections, each built around the one idea that makes the rest of the chapter obvious.
One idea runs the whole chapter: every change is a multiplication, never an addition.
Stop solving; start drawing. Every equation is a curve, every inequality a region.
Two engines power every hard question: similarity and the shared-angle area ratio.
A number's prime signature is its DNA — factors, HCF, LCM and remainders all fall out of it.
Counting is not formulas — it is building the object step by step and multiplying your choices.
A cheat sheet you have read is worth very little. A cheat sheet you have drilled is worth marks. Five ways to make it stick:
The whole point of a visual-first book is that the picture carries the concept. If you can reproduce the diagram from memory, you own the idea. If you cannot, you have only read it — and reading is not studying.
Most marks are lost to a known trap, not an unknown concept. Is the triangle even right-angled? Does 'beats by 20 m' convert through the loser's speed? These are the exact places CAT sets its hooks.
Take Arithmetic end to end in a single pass so the shared idea — every change is a multiplication — actually lands. Jumping topics hides the pattern the book is built around.
A shortcut you have read is worth nothing under a 40-minute clock. Do five questions using only that shortcut, immediately, before moving on.
The last page is the one most people skip and the one that moves percentiles: how to triage 22 questions, when to leave one, and how to bank the easy marks first. Knowing every concept is necessary — it is not sufficient.
The cheat sheet is the map. PrepExpress Premium is the training: full-length mocks on the real CAT interface, 700+ questions with worked solutions, and analytics that show exactly where your marks leak.
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