📘 Class 8 · Ganita Prakash Book 1Chapter 18 Posts
A Square and a Cube 🟦
100 lockers ki paheli, 1 + 3 + 5 ka jaadu, √250 ka andaaza aur Ramanujan ka taxicab number 1729! Is chapter mein square numbers, unki properties, odd aur triangular numbers se rishta, square root, uska andaaza, cube numbers, cube root aur varga-ghana ka itihaas, sab Hinglish mein, ek badi soch ke saath: square = do barabar jodi, cube = teen barabar jodi. Har post mein “yeh kyun kaam karta hai”, 10 MCQs, FAQs, 12 practice sawaal, HOTS aur Olympiad questions solutions ke saath.
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1
Square Numbers Kya Hain?
Lockers ki paheli, n², perfect squares
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2
Square Numbers Ki Properties
Aakhri digit, zero ka niyam, beech ke numbers
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3
Odd Numbers Aur Squares Ka Rishta
1+3+5…, triangular numbers aur squares
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4
Square Root Kya Hai?
√ ka matlab, prime factorisation se root
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5
Square Root Ka Andaaza
Do squares ke beech, 1936 aur 250 ka root
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6
Cube Numbers Aur Taxicab 1729
n³, cubes ke patterns, Ramanujan ka number
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7
Cube Root Kaise Nikaalein?
Triplets, aakhri digit se guess, differences
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8
Square Aur Cube Ke Tricky Sawaal
Varga-ghana ka itihaas, mixed sawaal
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📝 Chapter Notes: poore chapter ke short notes aur formula sheet ek jagah: Book 1 Ch 1 Notes padho →
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