📘 MATHS⚡ Speed MathsLevel 3 · Squares, Roots aur DivisionChapter 164 Posts
Quick Division by 5, 9 aur 25 ➗
Division (÷) ki teen tez tricks, Chapter 5 aur 10 ke multiplication ka reverse. ÷ 5: double karo, phir 10 se divide (85 ÷ 5 = 17). ÷ 25: 4 se multiply karo, phir 100 se divide (175 ÷ 25 = 7). ÷ 9: digits add karo: quotient = running sum, remainder = digits ka sum (43 ÷ 9 → 4, remainder 7), kyunki har 10 = 9 + 1. Point (decimal) wale jawab, remainder jaldi, ÷ 50, reverse sawaal aur money divide karna, sab check ke saath. Har post mein timer, diagram, drill, MCQs aur Challenge.
🌱 Naye ho? Pehle Ch 1 se Ch 15 tak order se padho, phir yahan 16.1 se shuru karo. (Ch 9 abhi nahi aaya hai; use chhod kar padho.)
16.1
Divide by 5: Double Karo, Phir 10 Se Divide (85 ÷ 5)
÷ ka matlab, remainder aur point: 85 ÷ 5 = 17, 47 ÷ 5 = 9.4 (9, remainder 2), double karke
Padho →
16.2
Divide by 25: 4 Se Multiply Karo, Phir 100 Se Divide (175 ÷ 25)
175 ÷ 25 = 7, 130 ÷ 25 = 5.2 (5, remainder 5): double ka double, phir point do jagah
Padho →
16.3
Divide by 9: Digits Add Karo, Remainder Pao (43 ÷ 9)
43 ÷ 9 → 4, remainder 7; 312 ÷ 9 → 34, remainder 6: har 10 mein ek 9 aur 1 bacha (Chapter 10 se check)
Padho →
16.4
Quick Division Ke Tricky Sawaal
Soch wale mushkil sawaal: 16.1–16.3 ka mix, kaunsi division trick kab, reverse sawaal, money divide karna aur dhokhe
Padho →
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