Question:a ও b এর বিয়োগফলের দুই-তৃতৃীয়াংশ কত ? 

A `3/2(a - b)` 
B `2/3(a - b)` 
C `1/3(a - b)` 
D 3(a - b) 

+ Answer
B 

+ Explanation
a b = (a - b)

= `2/3 xx (a - b)`

`= 2/3(a - b)`

+ Report

Irin Moni

Editor, VCampus

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