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Multiplication Terms and Some Special Rule and Tricks in hindi

Hello friends, Mathsmell maths tricks in hindi me apka swahat hai. Aaj mai apko multiplication ki some special fast multiplication tricks batane wala hu.
Jaise ki aap sabhi ko pata hai ssc,bank po, cgl and others competition exam me multiplication k questions directly or indirectly me jarur puche jate hai.
first multiplication ke some special rules and tricks ki bare me janiye hindi me

Multiplication shikhane ka sabse important baat hai ki pura multiplication table ache se yaad hona chahiye.
Dosto hum sab multiplication ko general method me solve karte hai. aur iske liye kam se kam 10 tak multiplication tables yaad rakhna hai aur isme time bhi bahut he jada lagta hai.

Iss post me mai apko multiplication ki kuch important and special multiplication tricks batane wala hu.

Multiplication ke kuch special rules:

  • SOME SPECIAL TRICKS:

  • When sum of unit digit is 10 and remaining digit is same.
Agar unit digit ki sum 10 hai and remaining digit same to 2 digit number ki gunna karne ki tarika.
Sabse phele same digit ke sath 1 add karke same digit ke sath gunna kare aur left side me likhe.
2nd unit digit ko unit digit ke sath gunna karke right side me likhe
Example-1: 43 X 47 ki gunna karna hai.
1st smae digit ke sath 1 add karke same digit ki sath gunna karna hai. =4 X (4+1) = 20
2nd unit digit ki sath unit digit ki gumna =3 X 7 =21
Then 43 x 47=2021
Example- 2: 104 X 106 =10 X (10+1) / 4 X 6 =10 X 11 /24 =110/24 =11024

  • When sum of ten's digit is 10 and unit digit is same.
Agar ten's digit ki sum 10 hai and unit digit same hai to gunna karne ki tarika
First dono tens's digit ke gunna kare aur uske sath unit digit ko add kare aur left side me likhe.
Second unit digit ko unit digit se multiply kare aur right side me likhe.
Example-1: 46 X 66 ki gunna karna hai
First ten's digit ke gunna karke unit digit add kiye= (4 X 6) +6 = 30
Second unit digit ke sath unit digit ki gunna = 6 X 6 =36
Then 46 X 66 = 3036 
Example-2: 92 X 12 = (9 X  1) + 2  / 2 X 2 = 11 / 04 = 1104 .

  • When unit digit is 5 in both the numbers and difference between both number is 10 .
Agar dono numbers ki unit digit 5 hai and dono numbers ki difference 10 hai
First big number ke ten's digit ke sath 1 add karke small number ke tens digit ke sath gunna kare aur left side me likhe.
Second right side me hamesa 75 likhe.  Example-1: 75 X 65  ki gunna karna hain.
Sabse pehle big number ke tens digit ke sath 1 add karke small number ki sath kunna kare = 6 X ( 7 + 1 )  = 48
Second right side me  75 likhe
Then 75 X 65 = 48 / 75 = 4875.
Example-2: 105 X 95 = 9 X  ( 10 + 1 ) / 75 =99 / 75 = 9975.

  • If any number has to be multiplied by 75 then place two zeros beside right side, multiple by 3 and divisible by 4 of the number .
Agar kisi numbers ko 75 ki sath multiply karna hain to uske tarika.
First right side me do zero likhe.
Second jis number ko 75 ke sath multiply karna hai uss numbers ko 3 se gunna karke  4 se divide karke left side me likhe.
Example: 16 X 75 = ( 3 X 16 ) / 4 = 1200.

I hope two digit first multiplication ke ye special rules and tricks apko acha laga hoga aur ache se samajme aagaye hoga agar samajne me koi problem ho to jarur comment karke bataye.Thank you
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