Morshed has d books, which is 3 times as many as Salain and 1/2 as many as Roni. How many books do the three of them have altogether, in terms of d?
সমাধান
সঠিক উত্তর: Option B
If morshed has = d books.
Salain has = d/3 books
And, Roni has = 2d books
Together they have = d + 2d +d/3 books
= (3d + 6d +d)/3 books
= 10d/3 books