⚡ Speed MathsLevel 1 · BasicsChapter 64 Posts
Squaring Numbers Ending in 5 🟦
Square matlab number ko usi number se guna (35² = 35 × 35). Jo number 5 pe khatam ho, uska square teen chhote step mein: aakhri 5 hatao, bache number ko agle number se guna karo, aur peeche 25 lagao (35²: 3 × 4 = 12, phir 25 → 1225). Chitra se samjhenge yeh kyun chalta hai, 105², 115² jaise 3-digit number, aur 43 × 47 jaisi bahan-trick. Har post mein timer, diagram, drill, MCQs aur Challenge.
6.1
5 Pe Khatam Number: 35 × 35 Jaise
35 × 35: 3 × 4 = 12, peeche 25 lagao → 1225
Padho →
6.2
3-Digit Square: 105², 115², 125² (Aur Kyun)
10 × 11, 11 × 12 seekho, phir 115² = 13225
Padho →
6.3
Same Dahai, Ikai Ka Jod 10: 43 × 47
43 × 47 = 2021, 62 × 68 = 4216, kab chalega
Padho →
6.4
Square Ending in 5 Ke Tricky Sawaal
Ulte sawaal (4225 kis ka square?), dhokhe (36²), pattern — 6.1–6.3 ka mix
Padho →
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