?
$$\frac{1}{{1.2.3}} + \frac{1}{{2.3.4}} + \frac{1}{{3.4.5}} + \frac{1}{{4.5.6}}$$ is equal to = ?
Answer & Solution
Correct Answer:
Option
A
$$\eqalign{
& {\text{Given expression,}} \cr
& \frac{{4.5.6 + 5.6 + 2.6 + 2.3}}{{1.2.3.4.5.6}} \cr
& = \frac{{120 + 30 + 12 + 6}}{{720}} \cr
& = \frac{{168}}{{720}} \cr
& = \frac{7}{{30}} \cr} $$
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