**Question **: A body starts from rest, with uniform acceleration. If its velocity after n seconds is v, then its displacement in last two seconds is

(a) \dfrac{2v\left( n+1\right) }{n}

(b) \dfrac{v\left( n+1\right) }{n}

(c) \dfrac{v\left( n-1\right) }{n}

(d) \dfrac{2v\left( n-1\right) }{n}

**Answer **: The right option is (d)

**Solution **:

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