Question

For each t ∈ R let [t] be the greatest integer less than or equal  to t. Then lim_(x →0⁺) x[(1/x) + (2/x) + .... + (15/x)]

(A) is equal to 15. 

(B) is equal to 120. 

(C) does not exist (in R). 

(D) is equal to 0.

Answer 1

Answer is (B) is equal to 120.

The given limit is