Скачать или смотреть Average problem solving PART I ।। শুধুমাত্র বাংলায় ।।

SITE LINK :    • Average problem solving PART I ।। শুধুমাত্...  
#competetive #shorttrick #average #MDSIR4U #primarytet


List of short trick formula :
1. Average of first n natural numbers = (n+1)/2
2. Average of first n multiple of m = (n+1)m/2
3. Average of first n odd numbers = n
4. Average of first n even numbers = (n+1)


SQUARE FORMULA :    • যেকোনো সংখ্যার বর্গ নির্নয় I SQUARE FORMU...  
APPLY ONLINE :    • How to apply yuvasree prakalpa 2020 | Empl...  
Calendar Concept (PART I ) :    • 5 সেকেন্ডে যে কোনো সালের তারিখ দেখে বার নি...  
(PART II ) :    • 5 সেকেন্ডে যে কোনো সালের তারিখ দেখে বার নি...  
Number System ( FIND UNIT DIGIT) :    • একক স্থানের অঙ্ক  নির্ণয় | Number System ...  
AMICABLE NUMBERS :    • AMICABLE NUMBERS II RELATION BETWEEN 220 &...  
IS 1 PRIME OR NOT :    • IS 1 A PRIME NUMBER ? II PRIME & COMPOSITE...  
Divisibility Rules ( PART I ) :    • বিভাজ্যতা I Divisibility Rules for all Com...  
Divisibility Rules ( PART II ) :    • বিভাজ্যতার সূত্র । TEST FOR DIVISIBILITY ।...  


mdsir 4 u, MDSIR 4 U, mdsir4u, MDSIR4U, mdsir, MDSIR, sirmd, SIRMD, 4 U , 4u,average problem , average , average in bengali , average short trick , average shortcut , average for food si , bengali arithmetic , wb food si , bengali mathematics , bengali math solution , bengali math channel , bengali man , mathematics for psc , arithmetic for wb food SI , arithmetic by bengali man , wbcs math , food si math , psc math , average related problem,average problem , average , average in bengali , average short trick , average shortcut , average for food si , bengali arithmetic , wb food si , bengali mathematics , bengali math solution , bengali math channel , bengali man , mathematics for psc , arithmetic for wb food SI , arithmetic by bengali man , wbcs math , food si math , psc math , IBPS GUIDE , LIC AAO , LIC AAO PRELIMS , SBI clerk , SBI PO , bankersadda , toprankers , wifistudy , RRB NTPC , RRB , GENERAL SCIENCE , bank coaching , ibps po , ibps clerical , , ages, aptitude, primary tet exam