Solve this following
Question:

Mark $(\sqrt{ })$ against the correct answer in the following:

Let $[x]$ denote the greatest integer less than or equal to $x$.

Then,  $\int_{0}^{1.5}[x] d x=?$

A. $\frac{1}{2}$

B. $\frac{3}{2}$

C. 2

D. 3

Solution:

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